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Lost the chain off my 5 last weekend (if anyone finds one on the black at cwmcarn it's probably mine!) so got a new SRAM one from my LBS. Took the bike in there and they had a quick look at the cassette and sprockets and said it would be fine (bike is about 16 months old).
Went out on Wednesday night and it was fine until the first hill when it was skipping loads. Mainly when in the middle sprocket, so I dropped to the granny ring and span in first gear for most of it.
Question is, am I likely to need a new cassette or sprockets or both, or will it settle down with another ride or so? Or should I just pop it back down the LBS (didn't get chance this week)?
Cheers
R
New cassette and middle ring time.
if you got 16 months out of 1 chain with any kind of regular riding, you've done pretty well but I bet it was well worn. That would wear the teeth too, esp on cassette.
I think you prob do need a new cassette. sometimes you can tell from looking at the chain as it passes over the sprockets - might not be sitting right on them all
Alternatively, is it possible that you belted the rear mech when the chain fell off and knocked out of adjustment (or maybe bent the hanger)?
(edit - meant to add a link to deore middle rings. nice shiny steel that last a long time. failed, dunno why)
Thanks,
I'll take a look at the mech, but don't remember hitting anything. I'll also try and look closer at the teeth etc, probably replace.
If it was skipping in the middle ring and not the other rings then it sounds like you just need a middle ring and the cassette is ok (which is unusual)?
HOw quick do you want to fix it? You could buy a ring and see if that works, if not then buy a casette as well. If you have the cash then buy both and fit the ring first and the casette if needed. You'll need the casette eventually.
Cassette will defo be warn after 16 months, replace the cassette or be patient and wait for it to bed in
New chain + old cassette = recipe for disaster IMHO
I'd look at replacing that, and possibly your middle chain ring as well if that's causing problems.
Is it general practice then to change your chain and cassette every 1-2 years? Probably been really lucky in the past, as I've never had a chain snap before. Probably also something to do with bikes getting stolen before they get chance to wear out! Grrrrr! Not this time though!