Rossm
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I replaced the chain on my Eagle 12 speed on the weekend, as the chain checker showed it had worn. Lining up the old & new chain showed about 1/2 cm growth - so it was definitely worn - about 1%. Looking at the SRAM manual I should have replaced it at 0.75.
The sand around here is brutal on drive train wear. I clean the chain after each ride with a Park chain scrubber & de-greaser, then re-lube, but of course sand gets kicked up early into the next ride & starts the grinding!
Shifting works perfectly with the new chain, but the smallest (10 tooth) cog now skips under very moderate load.
Sooo... I'm thinking I should put back the worn chain & just run it until the cassette & chain are both totally cactus. Given cost of SRAM 12 speed chain, it seems marginal to replace chains at the 0.75% mark if I can keep a single chain going.
I don't think I have much option now but to put the old chain back (unless I live with the skipping) - it would be dumb to replace the cassette at this point, if I can get drive train to work reliably with the old chain. New chain can then wait until I absolutely need a new cassette.
SRAM manual says to replace cassette when the chain is replaced, and to replace the chain at 0.75 - WTF?? I also see comments that people are replacing Eagle cassettes after 2 or 3 chains, but that's when they replace the chain at 0.75 wear.
What do you reckon? Keep the chain on until both it & cassette are completely worn? Or replace chains frequently? At $90 a pop for an XO1 chain, replacing chains is likely to get expensive.
I also see some reviews saying the coated XX1 chains last way longer than the XO1 - so maybe that's an option, use XX1 chain & keep it running on the cassette until both are fully worn??
The sand around here is brutal on drive train wear. I clean the chain after each ride with a Park chain scrubber & de-greaser, then re-lube, but of course sand gets kicked up early into the next ride & starts the grinding!
Shifting works perfectly with the new chain, but the smallest (10 tooth) cog now skips under very moderate load.
Sooo... I'm thinking I should put back the worn chain & just run it until the cassette & chain are both totally cactus. Given cost of SRAM 12 speed chain, it seems marginal to replace chains at the 0.75% mark if I can keep a single chain going.
I don't think I have much option now but to put the old chain back (unless I live with the skipping) - it would be dumb to replace the cassette at this point, if I can get drive train to work reliably with the old chain. New chain can then wait until I absolutely need a new cassette.
SRAM manual says to replace cassette when the chain is replaced, and to replace the chain at 0.75 - WTF?? I also see comments that people are replacing Eagle cassettes after 2 or 3 chains, but that's when they replace the chain at 0.75 wear.
What do you reckon? Keep the chain on until both it & cassette are completely worn? Or replace chains frequently? At $90 a pop for an XO1 chain, replacing chains is likely to get expensive.
I also see some reviews saying the coated XX1 chains last way longer than the XO1 - so maybe that's an option, use XX1 chain & keep it running on the cassette until both are fully worn??