Search: Posts Made By: invisiblehand
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Forum: Folding Bikes
02-20-18, 03:39 PM
Replies: 24
Views: 981
Posted By invisiblehand

I've never worked on one, but I recall folks...

I've never worked on one, but I recall folks telling me that the early models had "right folds". Facing forward, the rear triangle swings to the right rather than the left like my model. Supposedly...
Forum: Folding Bikes
02-20-18, 03:03 PM
Replies: 11
Views: 2,714
Posted By invisiblehand

AFAIK, the Ultimate Folding Bike was never a big...

AFAIK, the Ultimate Folding Bike was never a big hit.

https://ufbusa.ishopserver.com/
Forum: Folding Bikes
02-20-18, 12:25 PM
Replies: 8
Views: 767
Posted By invisiblehand

Splitting makes it considerably easier to fit,...

Splitting makes it considerably easier to fit, IME. As long as your bar is 25.4 or 26.0 and aluminum, I think they can split the bar for you. I know a few people that split Nitto bars through Bike...
Forum: Folding Bikes
02-20-18, 12:23 PM
Replies: 24
Views: 981
Posted By invisiblehand

John Allen says that his NWT can swap between 406...

John Allen says that his NWT can swap between 406 and 451. Your bike with the multiple stud mounts fits with his description. I heard that some early models had cantilever brakes. So you...
Forum: Folding Bikes
02-14-18, 11:32 AM
Replies: 83
Views: 14,915
Posted By invisiblehand

Sweet!

Sweet!
Forum: Folding Bikes
02-09-18, 03:14 PM
Replies: 37
Views: 3,985
Posted By invisiblehand

My prior is that with respect to a chain,...

My prior is that with respect to a chain, chainring, and cog, the belt drive would be lighter not heavier. I thought that was the case with tandems and timing belts, for instance.
Forum: Folding Bikes
02-09-18, 09:10 AM
Replies: 12
Views: 1,965
Posted By invisiblehand

There were 20x2.0" Primo Comets. But there was a...

There were 20x2.0" Primo Comets. But there was a lot of dishonesty in tire sizing at the time. I'd be surprised if they were close to 50 mm.

20 x 1.75" Primo Comets at the time measured really...
Forum: Folding Bikes
02-07-18, 10:19 AM
Replies: 37
Views: 3,985
Posted By invisiblehand

I expect the belt drive model to be lighter than...

I expect the belt drive model to be lighter than the chain drive.

Is the above correct? If so, can someone explain why a chain drive bike would be so much lighter? They're both single speeds.
Forum: Folding Bikes
02-07-18, 09:56 AM
Replies: 3
Views: 781
Posted By invisiblehand

Measured or claimed? Other than the OS20...

Measured or claimed?

Other than the OS20 bmx tires, I've never seen one actually 37 mm.
Forum: Folding Bikes
02-05-18, 12:34 PM
Replies: 77
Views: 11,022
Posted By invisiblehand

Whoopee! My mistake. I generally see 2- and...

Whoopee! My mistake. I generally see 2- and 6-speed versions around. Although I don't think it changes the discussion.
Forum: Folding Bikes
02-02-18, 09:35 AM
Replies: 77
Views: 11,022
Posted By invisiblehand

I have not thought of that. I'm not...

I have not thought of that.



I'm not sure what the value of a 6 versus 3 speed is in the used market. I get the sense that most folks get the 2 or 3 speed versions. So you're estimate is...
Forum: Folding Bikes
01-25-18, 09:41 AM
Replies: 27
Views: 2,105
Posted By invisiblehand

I read that after two years, you now need to...

I read that after two years, you now need to replace the rim. Over what distance is that? As you're almost certainly aware, the smaller rim will wear out faster. Based solely on geometry --...
Forum: Folding Bikes
01-24-18, 03:34 PM
Replies: 27
Views: 2,105
Posted By invisiblehand

Whoa! At least it wasn't an aluminum fork!...

Whoa!

At least it wasn't an aluminum fork!

If you were only worried about long descents and wanted a drag brake, I'd still use an ordinary fork with the drum brake.

Maybe this will be a...
Forum: Folding Bikes
01-24-18, 11:58 AM
Replies: 27
Views: 2,105
Posted By invisiblehand

Shouldn't one be worried about the extra load on...

Shouldn't one be worried about the extra load on the fork blade?
Forum: Folding Bikes
01-11-18, 12:27 PM
Replies: 51
Views: 4,190
Posted By invisiblehand

Have a great time! Let's see the prototype...

Have a great time!

Let's see the prototype front bag mount on the Curl! ;)
Forum: Folding Bikes
01-10-18, 02:08 PM
Replies: 18
Views: 936
Posted By invisiblehand

Interesting.

Interesting.
Forum: Folding Bikes
01-08-18, 11:14 AM
Replies: 103
Views: 19,265
Posted By invisiblehand

Yep ... tinkering involves a lot of trial and...

Yep ... tinkering involves a lot of trial and error, IME. Can be fun at times.

The wheel/tire size thing is particularly tricky. Brompton, of course, has 349 wheels. But I understand that it...
Forum: Folding Bikes
01-05-18, 12:21 PM
Replies: 47
Views: 5,089
Posted By invisiblehand

Older Brompton clones -- I'm thinking of the Merc...

Older Brompton clones -- I'm thinking of the Merc -- mimicked the older Brompton design which had a shorter wheelbase. (perhaps other differences ... but the wheelbase was easy to measure) Perhaps...
Forum: Folding Bikes
12-26-17, 09:18 PM
Replies: 13
Views: 969
Posted By invisiblehand

Merry Christmas and Happy Holidays to all!

Merry Christmas and Happy Holidays to all!
Forum: Folding Bikes
12-22-17, 09:23 AM
Replies: 34
Views: 2,037
Posted By invisiblehand

Weight matters for packed travel and carrying the...

Weight matters for packed travel and carrying the bike. I understand that it's roughly a pound when everything is accounted for including differences in the frame. (this is what's claimed by...
Forum: Folding Bikes
12-18-17, 02:17 PM
Replies: 34
Views: 2,037
Posted By invisiblehand

Weight and more susceptible to damage while...

Weight and more susceptible to damage while folded/transported.
Forum: Folding Bikes
12-18-17, 12:12 PM
Replies: 53
Views: 4,266
Posted By invisiblehand

Interesting. It's definitely hard to describe...

Interesting. It's definitely hard to describe these issues relative to having the bike in front of you and testing a few things out. But it looks sweet. Congratulations on the new ride.

What...
Forum: Folding Bikes
12-07-17, 02:39 PM
Replies: 31
Views: 5,168
Posted By invisiblehand

https://paulcomp.com/shop/components/motolite/

https://paulcomp.com/shop/components/motolite/
Forum: Folding Bikes
12-04-17, 10:58 AM
Replies: 71
Views: 27,364
Posted By invisiblehand

My take is that this is the main point. If...

My take is that this is the main point. If anyone thinks that a Chinese knockoff can be efficiently brought into say the US and a decent profit made, they should go for it. As I wrote earlier, I...
Forum: Folding Bikes
11-27-17, 02:42 PM
Replies: 26
Views: 2,041
Posted By invisiblehand

My training ride times were pretty close across a...

My training ride times were pretty close across a Salsa La Raza and Bike Friday NWT. On the order of what one might expect for a 5 pound difference in weights.
Forum: Folding Bikes
11-27-17, 11:37 AM
Replies: 20
Views: 1,004
Posted By invisiblehand

I had no idea that turkeys were indigenous to...

I had no idea that turkeys were indigenous to southern climates. Mind you, I never actually looked it up. But as a kid, I recall lots of history with the Pilgrims in Massachusetts with turkeys but...
Forum: Folding Bikes
11-27-17, 10:42 AM
Replies: 71
Views: 27,364
Posted By invisiblehand

Well there you go! The first two links worked...

Well there you go! The first two links worked for me but the second two did not. Nonetheless, if someone is willing to buy sets of 20, the first is an all alloy frame/fork for ~$130/piece. The...
Forum: Folding Bikes
11-27-17, 09:29 AM
Replies: 26
Views: 2,041
Posted By invisiblehand

It sounds like a weird setup. While the long...

It sounds like a weird setup. While the long stem and saddle mast without a diamond frame generally makes a Bike Friday somewhat more flexible, you shouldn't get wild amounts unless the headset is...
Forum: Folding Bikes
11-24-17, 10:25 AM
Replies: 20
Views: 1,004
Posted By invisiblehand

Happy Thanksgiving folks!

Happy Thanksgiving folks!
Forum: Folding Bikes
11-21-17, 08:40 AM
Replies: 71
Views: 27,364
Posted By invisiblehand

It was a clone. Here is an old thread with...

It was a clone.

Here is an old thread with some thoughts.

https://www.bikeforums.net/showthread.php?t=203444&referrerid=31812
Forum: Folding Bikes
11-20-17, 12:51 PM
Replies: 71
Views: 27,364
Posted By invisiblehand

I imagine the Merc would still cost less than a...

I imagine the Merc would still cost less than a $1000. It's hard to remember how much it cost in 2008 and relative Brompton prices at the time. Hi-ten steel fork and rear triangle with an aluminum...
Forum: Folding Bikes
11-15-17, 01:19 PM
Replies: 71
Views: 27,364
Posted By invisiblehand

Let's reduce the noise of these comparisons. ...

Let's reduce the noise of these comparisons. What's the cheapest Brompton clone found on Alibaba? A quick search didn't find any good comparisons.

For reference, I think you must have seen...
Forum: Folding Bikes
11-15-17, 12:47 PM
Replies: 71
Views: 27,364
Posted By invisiblehand

AFAIK, there has been no Brompton clone marketed...

AFAIK, there has been no Brompton clone marketed in the UK since Anita was selling the Merc. I thought that Brompton recently tried some litigation against Dahon but I'm largely unfamiliar with the...
Forum: Folding Bikes
11-14-17, 10:43 AM
Replies: 71
Views: 27,364
Posted By invisiblehand

Perhaps. But I take Brompton's litigation as...

Perhaps. But I take Brompton's litigation as evidence to the contrary. That is, Brompton seems to think that cheap alternatives hurt their business enough for them to take folks to court.

I...
Forum: Folding Bikes
11-03-17, 10:45 AM
Forum: Folding Bikes
10-31-17, 02:02 PM
Replies: 41
Views: 1,751
Posted By invisiblehand

I have 24-spoke wheels on my tikit. I'm ~200lbs...

I have 24-spoke wheels on my tikit. I'm ~200lbs now.

EDIT: I've been riding them for years now. I've never had to true them.
Forum: Folding Bikes
10-31-17, 10:07 AM
Replies: 41
Views: 1,751
Posted By invisiblehand

I think you'll be fine with either. Anecdotally,...

I think you'll be fine with either. Anecdotally, the folding bike shops around here seem to like the Kojaks better.

How and where you ride is a meaningful predictor of flats, IME. I'm going on...
Forum: Folding Bikes
10-31-17, 09:08 AM
Replies: 123
Views: 7,599
Posted By invisiblehand

There are a bunch of folks that believe putting...

There are a bunch of folks that believe putting the weight directly on the frame rather than on the fork makes handling worse. I'd test it out before dismissing the idea.

(for clarity, you...
Forum: Folding Bikes
10-31-17, 08:44 AM
Replies: 41
Views: 1,751
Posted By invisiblehand

It's a nice tire. It's been passed over by other...

It's a nice tire. It's been passed over by other tires in my book ... I like the Tioga BMX tires better and they're often less expensive too. I remember some folks in the Pacific Northwest...
Forum: Folding Bikes
10-24-17, 11:21 AM
Replies: 123
Views: 7,599
Posted By invisiblehand

It doesn't sound like much -- my ex ante feeling...

It doesn't sound like much -- my ex ante feeling was that it was no big deal -- but over the past five years the clean and maintenance free characteristics of belt drive has been a meaningful plus...
Forum: Folding Bikes
10-23-17, 11:54 AM
Replies: 123
Views: 7,599
Posted By invisiblehand

Make sure that the OLD will match the possibility...

Make sure that the OLD will match the possibility of swapping to an IGH.

If you go with chain drive but think you might want to go belt later, you might want to include the necessary rear...
Forum: Folding Bikes
10-19-17, 10:36 AM
Replies: 46
Views: 2,724
Posted By invisiblehand

So you think the Thudbuster and different saddle...

So you think the Thudbuster and different saddle have something to do with your other problems?

Schwalbe tires come in lots of flavors. It's hard to comment with only the size. If you want to...
Forum: Folding Bikes
10-15-17, 02:08 PM
Replies: 31
Views: 3,520
Posted By invisiblehand

badmother has it largely correct, IMO I've...

badmother has it largely correct, IMO

I've used my ticket (349) on hard-packed trails like the C&O Canal with good results. But broadly speaking, besides whatever effect wheel size has -- ride...
Forum: Folding Bikes
10-10-17, 02:24 PM
Replies: 58
Views: 8,581
Posted By invisiblehand

At this point in my life, I'm not really in the...

At this point in my life, I'm not really in the market. But I suspect that the second iteration of the Curl will be considerably better. Particularly when it comes to carrying stuff.
Forum: Folding Bikes
10-10-17, 02:21 PM
Replies: 58
Views: 8,581
Posted By invisiblehand

With the understanding that folks can have...

With the understanding that folks can have different notions of what "hugely profitable" means, my rough understanding is that the savings is less than popularly believed. Especially for quality...
Forum: Folding Bikes
09-28-17, 08:45 AM
Replies: 9
Views: 2,035
Posted By invisiblehand

I'd just take it out and measure it. At...

I'd just take it out and measure it.

At this price point, I'd stick with the UN55. Although both spindles are hollow now ... I think. So you're literally paying for the metal cup.
Forum: Folding Bikes
09-26-17, 02:46 PM
Replies: 66
Views: 7,094
Posted By invisiblehand

Just to be explicit, I'm obviously talking about...

Just to be explicit, I'm obviously talking about how the wheels were positioned and the weight distribution of a Brompton. The conclusions could be different on the Curl.
Forum: Folding Bikes
09-26-17, 01:45 PM
Replies: 66
Views: 7,094
Posted By invisiblehand

Assuming the theory works out, it would only be...

Assuming the theory works out, it would only be more stable when on all four wheels and parked. If you roll it on two -- the way I used to roll my Brompton -- it would be less stable. Broadly, I...
Forum: Folding Bikes
09-25-17, 10:49 AM
Replies: 18
Views: 1,174
Posted By invisiblehand

This sounds like the best bet to me.

This sounds like the best bet to me.
Forum: Folding Bikes
09-22-17, 08:27 AM
Replies: 20
Views: 1,834
Posted By invisiblehand

Excellent advice above. If there are no...

Excellent advice above.

If there are no shops around, I'd find a local forum/club and see who has folding bikes to look and hopefully test ride.
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