i need some help. this has been happening to me for about 5 months and i have done everything i can think of to try and correct the problem. so here is my problem.
my chain jumps when i am my highest cassette gear. i have two sets of wheels that i use. one set is my road wheels with a road cassette and the other is my mountain wheels with a mountain cassette. i have adjusted the rear derailuer numerous times, i have did my best to check the derailuer alignment and it appears to be aligned. the only thing i have not done is check the tightness of the cassettes, but i ruled that out because it does that same thing on both wheel sets.
if you place the bike on a repair stand it willnot jump, but under load it will jump.
any help or suggestions would be greatly appreciated.
my chain jumps when i am my highest cassette gear. i have two sets of wheels that i use. one set is my road wheels with a road cassette and the other is my mountain wheels with a mountain cassette. i have adjusted the rear derailuer numerous times, i have did my best to check the derailuer alignment and it appears to be aligned. the only thing i have not done is check the tightness of the cassettes, but i ruled that out because it does that same thing on both wheel sets.
if you place the bike on a repair stand it willnot jump, but under load it will jump.
any help or suggestions would be greatly appreciated.