I'm building a motorized on a Mongoose Dolomite (7 speed) with a sickbikeparts shift kit. In gear 6 and 7 the right side shift kit chain is very close to the bicycle chain. I saw a video where you could see the guy had a spacer between the bike's chainring and the shift kit chainring. Is such a thing sold for bicycles? If so, where can I get something like this? Or do you think this was a custom part?
This video link is timestamped to the bit where you can see the spacer.
This video link is timestamped to the bit where you can see the spacer.
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