Well,
It all depends how used the chain and cassette are. THey just could be
dirty and need lube...

I ride in dry areas and my chain lasts about a year and a half.
Good luck
Chris

P356 wrote:

do I need to replace cassette and chain to cure his problem

--
rec.bicycles.off-road is moderated by volunteers. To find help solving
posting problems, or contact the moderators, please see http://rbor.org/
Please read the charter before posting: http://rbor.org/rbor_charter.txt


--
rec.bicycles.off-road is moderated by volunteers. To find help solving
posting problems, or contact the moderators, please see http://rbor.org/
Please read the charter before posting: http://rbor.org/rbor_charter.txt