[maxyedor]

Is it possible/plausible to wear out only a single gear on a cassette? My SRam PG990 seems fine in all the other gears, and shifts into and out of 4th just fine, but won't hold 4th no matter what I do. New chain, derailure is primo, and I can ride in 4th, it's only while climbing that it slips. Doesn't usually stay out of gear, it will just jump up or down for a half a revolution, makes it impossible to climb while out of the saddle in 4th. Before I just throw money at it, anybody have an idea on what mite actually be wrong?

That cassette has plenty of miles on it, but if I've worn out 4th, I should have worn a few others as well, I don't even ride in 4th very often. I've worn out cassettes in the past, but they just started shifting like poo, this has me stumped.

 

[HardtailHack]

Sram has had dramas in the past in that one gear was worn out from the factory, I thought it was just mine but I found out long after I'd thrown it out that there was a bad batch.

Do you like to pretend you have an SS and just ride in 4th?

 

[maxyedor]

Hmm, been off my bike for a long time, and just getting back into it, don't remember there being issues before, but 1 crap gear from the factory is possible I guess. Any idea when they were having issues? This is on my '05 Yeti, so it's a 2004/2005ish production cassette.

I would understand if it were my middle chainring, or 5th/6th as that's where I always seem to be, don't use 4th hardly at all, except while climbing out of the saddle, and it's killing me when it skips.

 

[jonKranked]

new chain + old cassette can create problems if you have a lot of miles on the cassette.

 

[maxyedor]

Going to steal the cassette off a friend's bike for the weekend and see if that solves it.