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18 Comments

  1. Looks like a fair amount of notching. Probably need to replace the cassette and chain at the same time.

  2. GenericName187 on

    Wear on cassettea is usually hard to guage visually. If its worn it will skip, especially once you replace the chain.

    That cassette is $40, new chain maybe $20, I would expect some items on a used bike like cables and chains and pads might need replacement and factor that into the price.

  3. its fine. as long as you tension the rear derailer cable properly it will not skip. got some good miles before you need to replace chain and casette. do both at the same time

    edit when you get it take to a shop and have them measure the chains wear and if its too far gone just get casette and chain its like 40 bucks

  4. Healthy-Boot-5434 on

    Should I worry about things like scrapes on rear derailleur and brake leavers? worried the bike had a bad crash or two?

  5. gloriouswhatever on

    No way to know except to trust the current owner. If you’re concerned, current chain wear might be worth measuring.

    Cassettes should be considered consumables and if you’re not comfortable dealing with swapping a cassette, or paying the LBS to do it, it’s worth considering if 2nd band bikes are a good idea.

  6. It looks used but not completely worn out. It still has life left in it. I see the rear derailleur looks faded, possibly sun damaged. What does the rest of the bike look like?

  7. Amazing-League-218 on

    You’re joking, right? One buys a bike and commonly changes out the chain and cassette. Whether for maintenence or personal taste.

  8. Try not to put too much thought into the condition of consumable parts of the bike. It can be hard to look past them, but cables, tires, chains, cassettes and bar tape all wear out and need to be replaced at different intervals. If all of them are on their last legs, I would take it as a red flag.

    Usually I try to feel out how smoothly parts with bearings are moving, how well tensioned and true the wheels are, rust spots, scratches/dents/cracks. I try to factor in what I’d likely change on the setup and what spare parts I might already have at home that would fit the build.

  9. Do you know after thinking about this? I’m surprised there isn’t a rear cassette tool checker

  10. sweetaltofmine on

    Consumables are part and parcel of owning a bike. I’d rather just buy a new chain and cassette to feel safe.

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