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@likeglue2
Sorry if ive posted this in the wrong section.
My bike has been having some problems lately as the chain kept on coming off literally 3 times in the distance of a mile. So there is a problem. My chain tension was fine so spun the cranks and saw there was a bend in the chainring making the chain around it wobble every rotation. I've now taken off the chainring and it seems bent but not as bent as i remember so now im wondering if there is something wrong with the cranks. I have a Shimano Sora chainset btw seems pretty cheap. Wondering if I do have to replace what chainring can I get that wont bend and how to I measure the BCD thingy on my cranks. Im out now but will try and take pcitures when I get back. Any advice is welcomed