Hi all - I've got a newish SRAM PG990 casette - it has about 1000 miles on it tops. It was paired with a PC990 SRAM chain that broke last week, so I got a new chain - they didn't have a 990 so I went down a model. It's now skipping under load in the low gears. Normally, I will replace cassette and chain together but I thought the cassette new enough to not have to do this. If I put 1000 miles on the cassette and chain together would I need to replace both together? I've been told by people that have XTR cassettes ($150+) that they replace the chain every 250-300 miles and then don't need to replace the cassette very often. Any advice here?
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". It's now skipping under load in the low gears. Normally, I will replace cassette and
Quoted message said:
chain together but I thought the cassette new enough to not have to do this. If I put 1000 miles on the cassette and chain together would I need to replace both together? I've been told by people that have XTR cassettes ($150+) that they replace the chain every 250-300 miles and then don't need to replace the cassette very often. Any advice here?
You need to find out if the chain is moving up / down to another cog, or jumping over some teeth,
