Originally Posted by
PhilFo
Locate the place in the chain where it skips and see if you have a twisted link. What is the condition of your drivetrain? What is new, what is old?
Will check after work tonight! It's ok I'd say and everything is equally old.
Originally Posted by
100bikes
Has the bicycle fallen over and the derailleur hanger is now bent?
A visual inspection fro mthe rear of the bicycle will shed some light on this possible explaination.
rusty
It's possible, it's an old bike. Will check tonight!
Originally Posted by
alcjphil
Does it do that pedalling forward?
Yes! And when putting pressure on it, it will change to a bigger cog from time to time.