These maybe? https://m801.ocnk.net/product/5
You can also do it with ball bearings, although taking the wheel out by the side of the road suddenly becomes a lot more exciting (I've done this but not had to take the wheel out yet)
Yeah it was something like that, but only half a circle. May try those.
Tried the bb, but didn’t work well.
@Eeyorecore started
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These maybe?
https://m801.ocnk.net/product/5
You can also do it with ball bearings, although taking the wheel out by the side of the road suddenly becomes a lot more exciting (I've done this but not had to take the wheel out yet)