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Old 08-10-17, 12:05 PM   #26
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Quote:
Originally Posted by Winfried View Post
As for the rack for a Brompton, I've been using Brombacher's for a few months on multiple road trips, no problem so far. It's also available on Taobao:

Other cheap racks on eBay:
sobybike stainless rear rack for brompton bike bicycle part | eBay
Unlike the original Brompton rack, both Brombacher's and soybike racks lack triangulation that provides structural strength. Triangulation is commonly employed in construction of bridges and other structures (Eiffel tower). The couple of shorter racks linked should be rigid enough on their own and not need the triangulation.
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Old 08-10-17, 12:40 PM   #27
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Well obviously your's has - for whatever reason - a custom, 3rd-party hitch instead of the factory fitted one. I do use the stock one which works very well. For sure you can change the hitch on most trailers to a lot of different ones - but I see and saw no reason to do so. The more as you say the parking position of the Brompton does not work with your hitch which would be a major downside for me - seems a bit of a downgrade. I rarely use it to park the bike with the trailer attached but I do constantly use it in elevators at train-stations that are too short for bike + trailer. Folding the Brompton to the parking position makes it possible to use the elevator with the attached trailer which is very helpful.

Why did you change your hitch?
I Did not change that part the retailer did..

the elastomer ball rotates freely in the axle nut fixed socket .
I have a pin that keeps it from coming out. (seller also sent the more secure rubber mounted pin, seen in their site)
I put the pin in the middle hole of the latch that locks the folding tow bar/handle for storage, when I take off the trailer

I have another hitch socket on my Bike Friday tikit, it has a SRAM i 9 IGH in it, so another axle nut..




...
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Old 08-10-17, 02:27 PM   #28
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What is shipping prices compared to overweight prices? If you have a place to ship to you could ship (by post or other source) to your destination in advance instead of paying the heavy fees. Just playing with ideas.

Also if this is something you would do often maybe getting lighter 12" wheels?

Are the no puncture tyres (foam) lighter than the rubber tyres and tubes that are more and more available?

I have been thinking for some time that if the small wheels on kick scooters (or the A bike) can take the beating they do should they not be able to be used on a bike trailer- at least on paved roads? I tend to look at bags for sports equipments and other suitcases with that size wheels to decide if the wheels can be exchanged for better ones and then pull behind a bike. Not suited for world touring but if you want to go from the airport to a hotel- or a friend- maybe. I bet it could be noicy.

Can you buy carbon wheels in 12"? I bet you can. There is a lot going on in the "sports equipment for disabeled" area that we know nothing about (I`d like to dumpster dive outside theyr offices .

One more thing: You say the small Y frame with wheels are 6,7. My suggestion is to leave the flat plywood part at home and only use the alu frame plus some small and light wheels. Drill holes in the box like you do with the BF tailer. I`ll look into weight for trailer frame only and size of same in a day or two. At the moment I am in my sons house and he has got the big Y trailer only (since I decided it was time for him to pull most of the weight )
Thanks for the ideas. Different people have different ramifications for their travel. The typical situation for me is that I can take two pieces of luggage 23kg each, the trip is organized on a short notice and my schedule at the destination is tight. On rare occasions one or more of the following applies: I can take just one or three pieces, the pieces may weigh up to 32kg and I have time to ship things. It is hard to plan for one off - better for a common situation.

Optimization here and elsewhere is a funny process. A particular solution can be so good that you organize everything around it. Such particular solutions include Brompton, Bike Friday and renting a bike locally. Come to think of it and your comments, the Brompton would be ideally combined with Radical Designs Chubby trailer if one trimmed the dimensions of the latter to fit the airline limits. Maybe I should concentrate on the latter and figure out how to change its frame that sticks out for no good reason?!

As to taking the Y-trailer with no bed and bolting it somehow to a suitcase, after my BF trailer experience this is precisely the kind of thing I do not want to do it. Travel can be very taxing and after getting hit with one thing or another, I do not want to sit at the curb of an airport with my stuff spread out, hands semi-trembling from exhaustion, emptying the suitcase to reach the bottom, trying to fit the bolts, mounting nuts from the other side of a suitcase that is hard to reach around while the top bangs my head, figuring out which washer goes where, coping with safety pins etc. I have been there and do not want to ever do it again. I can go through a simple assembly/reassembly of large easy to grab items, though, and take off.
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Old 08-12-17, 08:53 AM   #29
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Thanks for the ideas. Different people have different ramifications for their travel. The typical situation for me is that I can take two pieces of luggage 23kg each, the trip is organized on a short notice and my schedule at the destination is tight. On rare occasions one or more of the following applies: I can take just one or three pieces, the pieces may weigh up to 32kg and I have time to ship things. It is hard to plan for one off - better for a common situation.

Optimization here and elsewhere is a funny process. A particular solution can be so good that you organize everything around it. Such particular solutions include Brompton, Bike Friday and renting a bike locally. Come to think of it and your comments, the Brompton would be ideally combined with Radical Designs Chubby trailer if one trimmed the dimensions of the latter to fit the airline limits. Maybe I should concentrate on the latter and figure out how to change its frame that sticks out for no good reason?!

As to taking the Y-trailer with no bed and bolting it somehow to a suitcase, after my BF trailer experience this is precisely the kind of thing I do not want to do it. Travel can be very taxing and after getting hit with one thing or another, I do not want to sit at the curb of an airport with my stuff spread out, hands semi-trembling from exhaustion, emptying the suitcase to reach the bottom, trying to fit the bolts, mounting nuts from the other side of a suitcase that is hard to reach around while the top bangs my head, figuring out which washer goes where, coping with safety pins etc. I have been there and do not want to ever do it again. I can go through a simple assembly/reassembly of large easy to grab items, though, and take off.
The Chubby is quite an expensive item to start costumizing, and how happy would you be with the result?

Did you look into the Travoy? A lot of peopel are happily using it with a Brompton. Trailer can carry Brompton and Brompton can carry- and tow trailer. Folded trailer is light and small. Other bags than the stock ones can be used (like a big backpack).

then there is the Andersen trolly. Only thing I do not like is the axels are sticking out when you detatch the wheels. Maybe put the frame in the bahg with the Brompton with cardboard or sleeping mat in between them?

Andersen Shopper® Manufaktur - Willkommen

There is one or two others too in the same category. Can not remember names but a search in BF would give you some more names.

Then there is the Wiki solution, the DIY one. I wish we could buy it without the wheels!

https://wicycle.com/products/bike-trailers/diy

Imagine you build a frame with this system that the B fits into, and the whole thing fits into the transport bag for the bike. Trailer fram woulf protect the bike and you just pull it all out and click on the wheels (12").

It is possible to build a frame like this with just square tubing and bolts, I used that system last year when I built my trike. Three pieces of square alu pipe locks the corner and makes it wery strong. For the trike I used 6x60mm stainless bolts, for a trailer I would look into 5x60 Ti bolts, you do not need a lot of them:

http://cours.education/dufacilitateu...-petite-reine/

20160715_202320[1] by bad.mother@ymail.com, on Flickr



https://s-media-cache-ak0.pinimg.com...d3e306ced0.jpg

The special towbar on this trailer is just becouse they use it on the oneseater trike. It can be made with a regular towbar.



Edit2: Did you see this?

http://www.shanecycles.com/carrying-...-folding-bike/

Last edited by badmother; 08-12-17 at 09:25 AM. Reason: new link
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Old 08-12-17, 09:08 AM   #30
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Originally Posted by Winfried View Post
As for the rack for a Brompton, I've been using Brombacher's for a few months on multiple road trips, no problem so far. It's also available on Taobao:

Other cheap racks on eBay:
H&H Brompton Chrome Aluminum Rear Q Rack Electroplated Glossy Folding bike | eBay
sobybike stainless rear rack for brompton bike bicycle part | eBay
Carrier Rear Rack Shelf Bracket Luggage Rack Aluminum Alloy for brompton | eBay
This is the problem, a lot of nice racks

I actually almost got one off e-bay, think I remember it was a short one. I won the auction and then the seller cancelled- becouse he would loose money. I had already sent him a message to say I could pay at least what he payed but he was not listening and he was rude... So I gave him bad ratings... then he askes if I could remowe them but I found no reason to do that.

What I do not like about the stock rack (at least the old one) is that you need a new fender and all sorts of work. I want to be able to fairly easy take the rack off and put it back on. Some work is ok but not taking off brake and elastomer.

I want it mainly for rolling the bike when folded and stable parking, but of course I would use it as a rack at least once in a while when it is there.

Want to save weight when possible and not too expensive (Ti).

peopel suggest you take the rack off if shipping the bike. Best solution would be a rack that folds flat when off the bike.

I had decided on the small one but now I am not sure if it is big enoug.
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Old 08-12-17, 09:19 AM   #31
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Seen on YT , arrived @ airport .. someone made their own case trailer kit, and put it together and rode off.

recall they used a lot smaller wheels , than Burly does for the case trailer..


A friend , intrepid traveler, on his old bike friday, goes to charity shops & buys soft sided rolling suitcases , to pack the bike into.





////..

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Old 08-12-17, 09:42 AM   #32
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What I do not like about the stock rack (at least the old one) is that you need a new fender and all sorts of work. I want to be able to fairly easy take the rack off and put it back on. Some work is ok but not taking off brake and elastomer.
Maybe you are a bit misled here. When I retrofitted a stock rack for the first time it took quite a while (possibly because the old rack came in parts and the manual was a bit vague) and - as you did - I got the opinion that changing between rack or not on a per-demand-basis would not really be an option. As pointed out above i recently retrofitted another rack to one of my other Bromptons and it turned out to be quick and easy. The whole process took about 15 minutes of leasurly working, so basically more or less within the same timeframe as fixing a puncture. I was using a work-stand, so it was quite comfortable and in fact it are three screws (and none of it is the elastomer) to unmount the blade of the L-version and mount the rack and the according blade. One screw of the rear brake and the two screws near the rear axle that hold the stays of the blade respectively of the rack. You can use the same screws (no need to change them) plus you do not have to unmount the rear wheel. All really quick. In my case (as I have dynamo-powered lights) I have to switch the rear light to the rack as well - two additional screws. But it turned out that the cable length for the rear light is identical for rack and non-rack-versions, so no trouble here as well.


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I want it mainly for rolling the bike when folded and stable parking, but of course I would use it as a rack at least once in a while when it is there.
That's what i do. Plus I consider the rack a bit of a shelter when traveling by plane.

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peopel suggest you take the rack off if shipping the bike. Best solution would be a rack that folds flat when off the bike.
Why that? I'd expect exactly the opposite.
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Old 08-12-17, 09:58 AM   #33
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Maybe you are a bit misled here.
Hmmm.. Have I been cheated- again??


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That's what i do. Plus I consider the rack a bit of a shelter when traveling by plane.

Why that? I'd expect exactly the opposite.
Been reading about it on the net- more than once. Maybe I spend too much time on the net??

The one you use (the one from in the picture) looks like an easy install and uninstall- no fiddeling with barakes and blocks. Only thing is like somebody mentioned that with only one rear stay on each side (instead of Bromptons two- or the stiff rear part of the short one) it is less stiff and sturdy at the back.

I must try to find some good pictures of the new stock rack too.
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Old 08-12-17, 11:44 AM   #34
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The Chubby is quite an expensive item to start costumizing, and how happy would you be with the result?
Thanks for more ideas. I bought Chubby early on for something like $450 but was dismayed by its dimensions exceeding the values claimed by Radical Design at the time and I returned it. Looking back I think it was a right decision as statistically sooner or later I would have paid oversize charges quite comparable to the purchase price.

Thinking more, in the context of your comment, the Chubby modification would not make sense indeed. Say I would manage to shorten the frame, then the bag would start to sag and sewing the tough cloth would be completely out of question.

Looking around I think that the original carry freedom City trailer would have worked for me but it seems to be out of production for a while. My problem is that I usually have a second piece of luggage, a tad wider than 50cm, and I need to accommodate that width somehow - no, I do not want to place the suitcase on the side and cope with the center of mass wobbling. This takes out too narrow trailers such as Travoy. In terms of trailer length, the Vincita bag (B-bag as well?) puts it at 60cm for the folded trailer.

The Andersen Shopper looks good if not very good. After all, I often might put a suitcase on a luggage cart. However, the devil is in the details. Andersen give no dimensions and have no dealer in the US. Even if I were somewhere where they have a dealer, it would take time for them to get an item from Andersen and there might be an issue if I did not like it. This indicates though that I should look at luggage carts.

As to the rectangular tubes, I indeed started using them myself for projects. At my work I see that people began to use a rail system with couplers to mount instrumentation in 3D, a similar Lego-like system, rather than build one-off suspensions. Wike uses the rectangular tubes. They are actually located a few hours drive from me. I hope to stop there when I go in that direction. I imagine I could negotiate getting from them parts they do not offer on their website, including the suitcase parts. However, I imagine that after mounting pieces in the B&W case I would start blowing the weight limit of 23kg for the suitcase with bike - no I do not want to start taking the bike apart. I.e. it looks that my choices are a soft case for the bike + some platform/cart trailer or hard case and no trailer.

In consequence, I think I will start looking at the options of a DIY rectangular tube trailer and a luggage cart adaptation. Wike seems to want two rectangular frames one above the other for the trailer, but weight-wise I can afford just one. The advantage of a luggage cart is that airlines commonly allow to take one on board as long as it is under 5kg, in addition to regular carryon.
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Old 08-12-17, 12:43 PM   #35
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The one you use (the one from in the picture) looks like an easy install and uninstall- no fiddeling with barakes and blocks.
I am using the stock Brompton one... The one that is mounted to the tiny wings of the rear frame is a bit simpler to install as you can keep the original fender but you'd need probablx longer screws to hold the stays of the carrier AND the blade at the same time. What's worse in my eyes is that this rack leads load to the little wings with the tiny wheels that are known as a weak spot. Therefor I'd not consider it protective if someone drops your bike on it during air travel and not very solid for load compared to the stock carrier. For rolling purposes alone it may be ok, but definitively not for protection.
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Old 08-12-17, 01:26 PM   #36
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I am using the stock Brompton one... The one that is mounted to the tiny wings of the rear frame is a bit simpler to install as you can keep the original fender but you'd need probablx longer screws to hold the stays of the carrier AND the blade at the same time. What's worse in my eyes is that this rack leads load to the little wings with the tiny wheels that are known as a weak spot. Therefor I'd not consider it protective if someone drops your bike on it during air travel and not very solid for load compared to the stock carrier. For rolling purposes alone it may be ok, but definitively not for protection.
Sorry, I should not post when I am half asleep, it is Winfried using that rack not you. I am half asleep on the sofa after riding more than my body liked.

Yes it is atatched to the little wings, that is one of the reasons I would not leave it on during transport. Also a reason I liked the small one (and also for the weight) but then there is the instalation around the brake bolt, I would be lazy and just leave it on once installed.
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Old 08-12-17, 02:43 PM   #37
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Looking around I think that the original carry freedom City trailer would have worked for me but it seems to be out of production for a while.
Yes, I regret not buying one in Copenhagen last year. Found it at £ 200 in a shop long after everybody else was out of stock


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My problem is that I usually have a second piece of luggage, a tad wider than 50cm, and I need to accommodate that width somehow - no, I do not want to place the suitcase on the side and cope with the center of mass wobbling. This takes out too narrow trailers such as Travoy. In terms of trailer length, the Vincita bag (B-bag as well?) puts it at 60cm for the folded trailer.

The Andersen Shopper looks good if not very good. After all, I often might put a suitcase on a luggage cart. However, the devil is in the details. Andersen give no dimensions and have no dealer in the US. Even if I were somewhere where they have a dealer, it would take time for them to get an item from Andersen and there might be an issue if I did not like it. This indicates though that I should look at luggage carts.
Andersen IS giving dimensions. I have been studying the details for years. If buying one you want a Royal shopper Aluminium plus. Wheels are 58 cm apart. Not sure how they measure it, I`ll see if there is any downloads that can tell you more.

ball-bearing wheel Ø 25cm - Andersen Shopper® Manufaktur

I would buy the pneumatic ball bearing wheels: pneumatic ball-bearing wheel Ø 25cm - Andersen Shopper® Manufaktur

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As to the rectangular tubes, I indeed started using them myself for projects. At my work I see that people began to use a rail system with couplers to mount instrumentation in 3D, a similar Lego-like system, rather than build one-off suspensions. Wike uses the rectangular tubes. They are actually located a few hours drive from me. I hope to stop there when I go in that direction. I imagine I could negotiate getting from them parts they do not offer on their website, including the suitcase parts.
If you do I`ll be green with envy! I like that stuff a lot, looks sturdy but I already have a suitcase (no wheels at the moment) for my NWT, got several quick release axels and wheel, just want/need the stuff innside the trailer



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However, I imagine that after mounting pieces in the B&W case I would start blowing the weight limit of 23kg for the suitcase with bike - no I do not want to start taking the bike apart. I.e. it looks that my choices are a soft case for the bike + some platform/cart trailer or hard case and no trailer.
On the bike: Some time back I decided NOT to bling out my bike with expensive Ti parts and atract atention to it that way with possible theft as a result, but I decided to swap out some bolts. I decided aluminium is light so leave that. Plastic is light (and look cheap) so leave that. I decided to swap out some of the steel bolts and bought new ones in Titanium from Ebay: The quill bolt, the small bolt holding the handlebar, the bolt on the catch thingy on the fork, the bolts in the plastic knobs on the hinges, the bolt going trough the suspension block and so on. I put back the cheap looking one piece front chainring becouse of weight and use detatchable pedals with Ti axel. I think I remember at least some of the bolts came from Canada. I did not weigh the bike before and after but I know I did what I can for cheap. I keep a light saddle in the house just in case I decide to use it instead of the Flyer that is on the bike most of the time. Weight is also a reason I do a lot of thinking about what rack to buy.


I recently spotted a Ti Brompton stem on Ebay. I think If I buy more expensive parts in Ti I would look at the stem before I look at front fork. More weight to save.

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In consequence, I think I will start looking at the options of a DIY rectangular tube trailer and a luggage cart adaptation. Wike seems to want two rectangular frames one above the other for the trailer, but weight-wise I can afford just one.

The advantage of a luggage cart is that airlines commonly allow to take one on board as long as it is under 5kg, in addition to regular carryon.
I am sure you can use just one, especially if you use that system of theree tubes in the corner (the xyz method). It is really sturdy. You need two bolts in each corner, I`d buy Titanium bolts. Maybe use the trailer wheel connector piece from wike for atatching the wheels: https://wicycle.com/support/replacementparts. Getting the tow bar from them would also help (unless you have one lying around).

before you start building- did you look properly into carrying it all on your bike? It depends on what you are carrying of course- and your own weight= total weight on the bike. I looked at some super lightweight soft suitcases today. One like that atatched to the rear rack of the bike (standing on top of rack atatched to the seatpost) in a "Pathless pedaled" kind of way? Or a backpack like they used?

I have decided that the wheels is the heavyest thing on most trailers so I am all the time looking at wheels. Recently I have been looking at wheels for adult kick bikes. They are light and they MUST be strong: Adult iScoot Air City Suspension Push Kick Scooter Folding Large 200mm Wheels Ne

I`d like to know the axel dimentions on those.

Edit: Weight of Royal shopper plus frame only (wheels included) is 4,3 kg. With bag included (the hydro bag that can also be carryed as a backpack) 6,2 kg. The frame can carry 50 kg, bag capacity 56 litres. this bag can protect food from heat for some time (side pocket). I think there is a 69 l bag bt that one can not be carryed as a back pack I think (Thor). Total weight with Thor bag is 5,I kg.

I bought an entry evel Andersen in steel frame some years ago for a friend. Really good quality, I would not fear buying from them. The good thing about them is they look "sivilised". You can walk into a shop or a hotel with one without peopel thinking "bike trailer".

http://www.andersen-shopper.de/files...6_2017_web.pdf

Last edited by badmother; 08-12-17 at 03:12 PM.
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Old 08-12-17, 05:38 PM   #38
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My problem is that I usually have a second piece of luggage, a tad wider than 50cm, and I need to accommodate that width somehow - no, I do not want to place the suitcase on the side and cope with the center of mass wobbling. This takes out too narrow trailers such as Travoy. In terms of trailer length, the Vincita bag (B-bag as well?) puts it at 60cm for the folded trailer.

The Andersen Shopper looks good if not very good. After all, I often might put a suitcase on a luggage cart. However, the devil is in the details. Andersen give no dimensions and have no dealer in the US. Even if I were somewhere where they have a dealer, it would take time for them to get an item from Andersen and there might be an issue if I did not like it. This indicates though that I should look at luggage carts.
I looked some more on the Andersen. My reason for suggesting the Royal shopper plus (at 58 cm wide) is you mentioning the 50cm plus luggage.

Then I realised that if you buy a narrower Andersen trailer with a bag you no longer need to worry about atatching your present piece of luggage to the trailer.

I have been looking at the Tura shopper. It has 29cm wheels, mudgards (I hope they are detatchable) and is 55 cm wide. The folded Brompton is 56,5 cm wide so Brompton would protect the frame innside the V bag (with some padding in between.

Trolly part minus bag is 127 cm tall. Take off the wheels and it is approx 13 cm shorter, that is 114 cm tall. Looks to me like it is telescoping down to half size so that is 57 cm tall, folded B is 585 so Brompton should protect it innside the bag.

Frame with Aqua (bag is 56 l capacity and can be carryed as a backpack when off the frame) is 5,1 kilo. I think that is wery light.

Especially becouse of the mudgards it should be possible to stuff something (approx 16 cm tall) at the bottom of the frame and roll the B on the frame and carry the bag as backpack. Not sure you can put both B and bag on the frame. Weightwise yes but maybe not practical.

On the regular shopper frame (164-000-80 w 29cm wheels, 50 cm wide, 111 cm tall) it may be easyer to carry the B becouse it has got two "spines" on the frame, not one as the
Weight toolly with aqua bag 4,5 kg so lighter than the Tura but Tura is 5 cm wider so a tiny bit more stable when riding. I think this is lighter than any suitcase & trailer combo you can find elswhere.

You can get an Ortlieb bag with both frames, capacity 49 litres so smaller than the two others but same weight as the aqua bag. Ortlieb has no backpack option.

http://www.andersen-shopper.de/files...6_2017_web.pdf

I`ll see if I can take some pictures of the Shopper I gave to my friend tomorrow.

Last edited by badmother; 08-12-17 at 05:42 PM.
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Old 08-12-17, 08:02 PM   #39
2_i 
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Location: Michigan
Bikes: Trek 730, Bike Friday NWT, Brompton M6R*2, Trek 830, Trek 720, Dahon HAT060, Dahon HT060,...
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Originally Posted by badmother View Post
Andersen IS giving dimensions. I have been studying the details for years. If buying one you want a Royal shopper Aluminium plus. Wheels are 58 cm apart. Not sure how they measure it, I`ll see if there is any downloads that can tell you more.
I noticed indeed that those schematic arrows in sketches provide dimensions. Other people on the web also mentioned Royal Shopper Plus in the context of bikes and Brompton in particular. However, the detailed options and, in particular, couplings to the bike make my head spin. I do not think I can progress in that direction on a short time scale. The only Anderden dealer willing to ship internationally, that I could identify, is in Australia. Sometimes they show up on Ebay, as far as I can see. I may stay around next summer for 2 wks in one place in Europe where there seems to be a local dealer and I could progress on this there. It really looks attractive as it could be used for everyday shopping, main bag for travel and then as a backpack! Wow! Still making sure that I do not misunderstand something, when they so many options is a challenge.

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If you do I`ll be green with envy! I like that stuff a lot, looks sturdy but I already have a suitcase (no wheels at the moment) for my NWT, got several quick release axels and wheel, just want/need the stuff innside the trailer
You make me look at my BF trailer parts again. I think I will start with them before getting any Wike parts. In a preventive move I ordered an attachable BF hitch. I know that one could make one from a gas coupler but I cannot work on multiple projects all at once.

Till recently my standard suitcase was actually the Carlton BF used for their trailers. However I just switched to Samsonite about a year ago. It is not the one BF uses, but pretty close to either of them and seemingly of higher quality. My wife may kill me once I start drilling holes in the suitcases again. I hope I am more experienced than in the first BF trailer round and she has her own identical Samsonite now. It was the reverse of 'measure twice and drill once' in the first round, unfortunately.

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Originally Posted by badmother View Post
On the bike: Some time back I decided NOT to bling out my bike with expensive Ti parts and atract atention to it that way with possible theft as a result, but I decided to swap out some bolts. I decided aluminium is light so leave that. Plastic is light (and look cheap) so leave that. I decided to swap out some of the steel bolts and bought new ones in Titanium from Ebay: The quill bolt, the small bolt holding the handlebar, the bolt on the catch thingy on the fork, the bolts in the plastic knobs on the hinges, the bolt going trough the suspension block and so on. I put back the cheap looking one piece front chainring becouse of weight and use detatchable pedals with Ti axel. I think I remember at least some of the bolts came from Canada. I did not weigh the bike before and after but I know I did what I can for cheap. I keep a light saddle in the house just in case I decide to use it instead of the Flyer that is on the bike most of the time. Weight is also a reason I do a lot of thinking about what rack to buy.
I usually carry so much of various junk that Ti here and there would not make any difference. The only place I went for it was the axle in the bottom bracket on my main bike. I have too many bikes for such extravagances everywhere. The main bike also got a SON dynamo.

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Originally Posted by badmother View Post
I am sure you can use just one, especially if you use that system of theree tubes in the corner (the xyz method). It is really sturdy. You need two bolts in each corner, I`d buy Titanium bolts. Maybe use the trailer wheel connector piece from wike for atatching the wheels: https://wicycle.com/support/replacementparts. Getting the tow bar from them would also help (unless you have one lying around).
I typically use rivets around alu. In the corners I might use triangles out of sheet alu to give the shape rigidity.

Quote:
Originally Posted by badmother View Post
Then I realised that if you buy a narrower Andersen trailer with a bag you no longer need to worry about atatching your present piece of luggage to the trailer.
Indeed, if the bag were really good I might switch to it for main luggage. The reason I normally stick to hardshells is that I had too many thefts with softshell cases. You cannot get perfection in every direction though and have to compromise one way or another.
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