February 17, 20224 yr it is just the paint coming off they will all go like that as i have 2 with the same wear on them
February 17, 20224 yr possibly as i have rode around 40 miles without spacer and so it was loose, not shredding or anything just slowly cruising down the road to the local shop, not going to any trails till its fitted properly, funnily enough when its loose it stays inline with each cog as i change gears, maybe they could design a sprung soacer or a mechanism tha keeps it inline with each gear hmm..
February 17, 20224 yr when i run 2 sprockets on the front i have to use a brass washer in the ses wheel so it can move in and out. and dont ride it if it is loose as you will damage the splines the sprocket fits on 2.
February 17, 20224 yr look what i found https://www.tiendamtb.com/en/bosch/1660-spacer-for-bosch-chainrings.html
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