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Utility Cycling Want to haul groceries, beer, maybe even your kids? You don't have to live car free to put your bike to use as a workhorse. Here's the place to share and learn about the bicycle as a utility vehicle.

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Old 07-17-11, 10:49 PM   #1
Sirrus Rider
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Crazy Idea: Xtracycle a Raliegh Twenty.

Has anyone tried an Xtracycle on a bike with 20" wheels?
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Old 07-17-11, 10:54 PM   #2
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Not a crazy idea at all... the low centre of gravity and ruggedness of a 20 and smaller wheels lends itself to some heavy duty hauling.
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Old 07-18-11, 07:56 AM   #3
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Not a crazy idea at all... the low centre of gravity and ruggedness of a 20 and smaller wheels lends itself to some heavy duty hauling.
Are you going to build one? I'd love to see pictures!

I've considered converting my long-wheelbase recumbent to a longtail, but I have a small house. That would be a *really* long bike.
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Old 07-18-11, 10:22 AM   #4
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Are you going to build one? I'd love to see pictures!

I've considered converting my long-wheelbase recumbent to a longtail, but I have a small house. That would be a *really* long bike.
I already have an extrabike which I am pretty pleased with... my 20 serves as a touring bike and trailer hauling bike although I am in the process of extending the wheelbase just a little bit.
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Old 07-18-11, 10:38 AM   #5
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I`ve got one half finnished, the homemade longtail type. Used the rear en of a 20" suspened childrens MTB. It is great since it is not much longer than a full size normal bike becouse the wheels are so much smaller. Still you have the "two panniers on each side" option. Got it all working but stopped becouse to use it I need to make new bags for it an I am not in the mood just now to make new bags..

Detatched it from the ekstra rear for this summer for my son to use it as a regular when we tour on folders. Just made two "BF-like" suitcase trailers that we are going to use when we start off this week.

Edit: http://www.bikeforums.net/showthread...uot%3B+dogbike

Painted the new quick release stem today to finaly finish it. The one in the picture is chrome (actually the bikes original seatpost turned upside down) but the one I am finishing now is going to be painted red like the rest of the bike is finally going to be (BF/Brompton style). Must do something becouse it is steel and not chromed like the first one is.

Last edited by badmother; 07-18-11 at 10:51 AM. Reason: More
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Old 07-18-11, 10:50 AM   #6
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badmother... The potential to have two rear sections for a 20 might be a the greatest plus if a folding version was used.

I am getting bad ideas here.

You should copyright "Ekstra"...

Am looking at opening a new shop here with full frame building capabilities so might need a winter project like this to keep me busy... am currently rebuilding my 20 and have built a new fork and have a new rear triangle to install which will extend it a little but won;t put it into the ekstra category. I ttill want to be able to break it down for travelling.

Guess that all I would need to do is build up a new rear section that could be plug and play.

Yep... you people are a bad influence.
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Old 07-18-11, 11:40 AM   #7
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badmother... The potential to have two rear sections for a 20 might be a the greatest plus if a folding version was used.

I am getting bad ideas here.

You should copyright "Ekstra"...

Am looking at opening a new shop here with full frame building capabilities so might need a winter project like this to keep me busy... am currently rebuilding my 20 and have built a new fork and have a new rear triangle to install which will extend it a little but won;t put it into the ekstra category. I ttill want to be able to break it down for travelling.

Guess that all I would need to do is build up a new rear section that could be plug and play.

Yep... you people are a bad influence.
Ain't we though?

BTW while you are building rear ends..trikes wouldn't be a bad idea either. I envision kind of a modular bike that comes apart at the hinge. Feel free to improve on it.

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Old 07-18-11, 04:18 PM   #8
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We are leaving in just under 30 hours and you peopel put more ideas in my head.. Now i want to start building on the longtail again..

The Ekstra thing is just me forgetting to write in English..

I`d really like to see what you did (and want to do further) w the folder sixty!

Like I said we just made two trailers like the Bike Friday ones w 12,5" wheels to easely take our luggage (and folded bikes) on a bus with a "no bikes" policy. We need one more trailer and I just realised that I can modify the "Y-frame" copyed flatbed I made some time back. It has got 20" wheels w hubs from a wheelchair, click on. We just realised that the "walker" wheels we are using for the trailers also can be used w wheelchair axels. I mowed the atachment point for the wheels on the flatbed back tonight and tomorrow we are putting the smaller wheels.

Oh, and I made a new smart trailer hitch for my (modern oversized tubes) folder.

Sorry OP, I just had to. I am hopeless about taking and posting pix but I`ll try..

Last edited by badmother; 07-18-11 at 04:21 PM. Reason: Making things clearer kind of..
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Old 07-18-11, 06:20 PM   #9
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We are leaving in just under 30 hours and you peopel put more ideas in my head.. Now i want to start building on the longtail again..

The Ekstra thing is just me forgetting to write in English..

I`d really like to see what you did (and want to do further) w the folder sixty!

Like I said we just made two trailers like the Bike Friday ones w 12,5" wheels to easely take our luggage (and folded bikes) on a bus with a "no bikes" policy. We need one more trailer and I just realised that I can modify the "Y-frame" copyed flatbed I made some time back. It has got 20" wheels w hubs from a wheelchair, click on. We just realised that the "walker" wheels we are using for the trailers also can be used w wheelchair axels. I mowed the atachment point for the wheels on the flatbed back tonight and tomorrow we are putting the smaller wheels.

Oh, and I made a new smart trailer hitch for my (modern oversized tubes) folder.

Sorry OP, I just had to. I am hopeless about taking and posting pix but I`ll try..
My folder is out at the frame shop in pieces... literally.

A month ago I salvaged a Nishiki International that had irreparable main frame damage but managed to save the fork and rear triangle that are both Tange chromoly.

Cut down the fork and resized it for the 20 and as the donor was a 25 inch frame the steerer was a perfect fit and have prepped the rear triangle to transplant into the 20... will give me a little more wheelbase and much nicer stays and cast drop outs which will handle a modern geared hub.

It will probably be the most heavily modified 20 on the planet when I am finished and is serving as a test platform for future builds.

Hoping to have the bike ready in September for some fall touring... will be heading away myself for August on the "Places I Never Married a Girl Tour".

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Old 07-19-11, 04:45 PM   #10
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Sounds great sixty! Looking forwards to pix!
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Old 08-02-11, 10:57 PM   #11
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That's amazing, Sixty!

OP, how are you going to mount brakes? I needed an adapter just to do 700c wheels with my xtra.

I toyed with the idea of putting the Xtra on my 26" Dahon Espresso Folder. I need the folding status to be able to put it on the train some mornings, but I didn't think the conductors would go for it. Maybe I should test out the idea anyway.
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Old 08-02-11, 11:13 PM   #12
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http://www.ravingbikefiend.com/?page_id=89
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File Type: jpg 2011forrestbuild1.jpg (96.6 KB, 27 views)

Last edited by Sixty Fiver; 01-06-14 at 05:33 PM.
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Old 08-09-11, 06:13 AM   #13
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Look at this film, at approx 2,40 to 2,45. Small wheeled extra-something.

http://www.youtube.com/watch?v=jf_ifwMUpNo
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Old 01-06-14, 05:26 PM   #14
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Any news about this project?

Hello and a happy new year for everyone. Excuse me for only posting questions and troubles, but I'm still looking for a solution to carry my two kids with my bike.

Anyone knows about an xtracycle for my Dahon 20"?

Thanks a lot!
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Old 01-06-14, 05:36 PM   #15
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My Extra20 project has been sitting on the back burner for a while although I have acquired the donor frame and other parts I need to get it built up... now it is just a matter of getting things put together.

I don't know if Extracycle offers an extension kit for 20 inch frames / bikes... it might start something if they did as the aforementioned benefits of 20 inch wheels and load carrying capacity are well suited for this.
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Old 01-06-14, 05:46 PM   #16
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Hello, thanks for your answer. Unfortunately they are very clear about compatibility, only 26" and 700 wheel sizes.
Now there is a new model of folding bike with xtracycle, but I'm trying to keep my own bike as I like it very very much and also prefer 20 to 26 wheel size.

Maybe if you are working on this I could find a solution!

The "it chair" I have for the Dahon is perfect but I cannot use it and carry a kid in the rear altogether, also it requires some physical skills my kids don't have yet, I need two plain kid seats.

When I saw you and badmother I thought I was in the folding forum, I arrived here through google search.

Last edited by pampera; 01-06-14 at 05:52 PM. Reason: Bad spelling (difficult to understand without correction).
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Old 02-23-14, 07:01 PM   #17
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How about a Cargo Monster from TerraCycle. I'm sure they could make up mounting plates to fit a 20" bike.
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Old 02-23-14, 08:36 PM   #18
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An after pic...



I have sourced a new wheelset for Forrest so the handbuilt wheels will get moved to the Extra 20... 36 spoke Rhynolites should be able to carry anything.

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