Cheap bicycle trailers on eBay.

[ninja_butler]

Cheap and cheerful or shiny POS?

https://www.ebay.co.uk/itm/NEW-Bike-Bicycle-Cargo-Carrier-Trailer-Utility-Luggage-Cart-2-Wheels-Black/121323348296?_trksid=p2047675.c100010.m2109&_trkparms=aid%3D555012%26algo%3DPW.MBE%26ao%3D1%26asc%3D22094%26meid%3D6337519592504267541%26pid%3D100010%26prg%3D9625%26rk%3D2%26rkt%3D24%26sd%3D331180722900

https://www.ebay.co.uk/itm/SINGLE-WHEEL-BICYCLE-BIKE-TRAILER-STORAGE-BAG-SHOCK-ABSORPTION-ONE-WHEEL-NEW/261336137541?_trksid=p2047675.c100005.m1851&_trkparms=aid%3D222003%26algo%3DSIC.FIT%26ao%3D1%26asc%3D22094%26meid%3D6337588478409744926%26pid%3D100005%26prg%3D9625%26rk%3D1%26rkt%3D6%26sd%3D301159082834&rt=nc

[G]

I made my considerably larger one for no more than those prices I reckon. Has taken a quarter of a tonne at points and done fine.
Despite having side by side wheels, I made the pivot so that it doesn't tip the bike backwards and is mounted low - specifically designed so it weights the rear wheel for traction.

https://scontent-b-lhr.xx.fbcdn.net/hphotos-ash3/t1.0-9/5166_113867285688_1793437_n.jpg

I've got some ideas to make one which you can adjust the size on, so you can run in narrower when you don't need the full width.

[defblade]

I used to have a BoB Yak trailer which the one wheel one there looks like a copy of. It was superb, hardly knew it was there, did many many hundreds of miles with it loaded. I'd spend the money again if I was getting back into it, without a second thought.
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Honda Varadero 125cc => Suzuki Bandit 650 33bhp => 77bhp =>
BMW K1200R Sport 163bhp => Aprilia Shiver GT 750 95bhp