Join Date: Dec 2013
Location: Sydney Australia
Mentioned: 7 Post(s)
the pop sound is caused by the rear sprocket teeth not aligned properly now due to wear and differing chain link gaps from link kinks etc...
some of the teeth dont go smoothly into the chain link gap when the chain comes around the bottom of the rear sprocket this puts tention in the chain, so when the teeth come out of the chain links they tend to pluck the chain rollers, or that some the links now pop onto the sprocket properly as they come around as the tension is released .... that is the pop sound you hear.
This is even worse when the sprocket teeth are worn and are hooked, it is the hook part of the tooth catching the rollers as it leaves the chain.... again plucking the rollers.
Last edited by Gigitt; 07-26-2017 at 08:42 AM.