Utility Cycling - Have a look at this single-wheel trailer hitch...

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rtciv
08-03-09, 05:16 AM
http://remorquevelobeez.free.fr/images/slide%202008/index.htm


http://remorquevelobeez.free.fr/images/slide%202008/images/2008-08.jpg

http://remorquevelobeez.free.fr/images/slide%202008/images/2008-10.jpg

I had to think about it for a moment, but it's actually really clever. Basically, the rear axle nuts have had an extra length of "nut" (or an unthreaded piece, like a very fat washer) welded onto their outer faces, from which then protudes a bolt, onto which the trailer hooks like normal dropouts. Simple really - and surely a very easy DIY solution? Most DIY ones seem to involve eye-bolts and things like that.

Do commercial single-wheel trailer hitches use a similar thing?

Thanks

qmsdc15
08-03-09, 06:25 AM
B.O.B. QR skewer. http://www.bobgear.com/accessories/accessory.php?accessories_id=15
rtciv
08-03-09, 06:30 AM
Then the trailer hooks over either end of the skewer?

twentysixtwo
08-03-09, 07:21 AM
Took me a second to understand - since you have a single wheel trailer you need attachments on both sides of the rear wheel. Seems like an elegant and simple solution. Thanks for sharing.

I have a Burley D'Lite for the kids.

I thought about advantages - double wheel trailer is shorter and gives higher weight capacity and single point attachment. A single wheel trailer gives better rolling resistance, is better for light loads and long distances (touring).
rtciv
08-03-09, 08:41 AM
Well, I went and got some pieces so that I can construct the following. They will be welded together in this order:

> 10mm nut, from a bike rear axle
> 12mm nut, to act as a spacer to accomodate, but not engage, the extra few mm of the axle.
> 10mm bolt, the head being welded onto the outer face of the 12mm nut

Then I'll weld some dropouts onto the ends of my trailer hitch arms, which will slot over the 10mm bolts, and I'll tighten them up with some wing-nuts, or something else if that's too loose.
BossCat
08-07-09, 09:04 AM
Nice looking trailer but whats to stop the dropout hopping off if you go over a big bump? Dont say the NUT.
With bike dropouts the weight of the bike & nut hold the wheel in place. With this trailer hooked over the extended skewer it could easily hop of?

IMO I think you need something with a hole in it on the end of the trailer hitch that the skewer can pass through. No way then can it bounce off when you go over a bump etc

Regards
Tom