New answers tagged mechanical
Here's an image of your derailleur showing the return spring attached to the slot furthest from the top of the cage https://c1.staticflickr.com/9/8111/8602860708_0e4e4a50ef_b.jpg To answer your second question, seems reasonable to replace the double nut on the outside of the fork end with a single nut.
It's pretty normal for a bicycle with a freewheel/freehub to turn the wheel backwards a little bit when pedaling backwards a bit (i.e. if you turn the pedals backwards pretty quickly, you get some very slow backwards turning of the wheel) when the bike is in a stand/lifted in the air. You can sometimes get rid of this by servicing/replacing the ...
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