Hey guys, i have an older mtb, where the chainring is not bolted into the cranks, so i have this problem, where if i move the pedals back and forth, the chainring has a “wobble” (it looks like it is loose on the bb axle)

How can i fix it? Or where should be the problem? Is it worn? (I will have a chain puller tool only next week..)

Thanks for the answers!

Moving chainring on old bike
byu/DateApprehensive8653 inMTB



by DateApprehensive8653

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  1. It seems the rivets are loose, ask a local bike repair shop, maybe they can replace them, however these types of cranks aren’t really serviceable, and it’ll probably be cheaper to just replace the cranks entirely.

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