Do I need to replace chain AND cassette?

robocolley
robocolley Posts: 37
edited November 2013 in The workshop
Bought a Park chain measuring tool and it would seem the chains on my bikes all need replacing (over 0.75% stretched). Should I replace the cassette at the same time as replacing the chain? I'm not getting any slipping or poor gear changing.

Comments

  • nicklouse
    nicklouse Posts: 50,675
    if it is badly worn then yes.

    if you change one and get slippage then it was too badly worn.
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
    Parktools :?:SheldonBrown
  • davmaggs
    davmaggs Posts: 1,008
    I'd say replace the chain and see where that gets you (if you must, you say it is running fine).

    I suspect that the idea of replacing both is because of the economics of bike shops (the labour rate) means that it's not worth spending time on troubleshooting, so they just replace parts. If you are doing it yourself then you can do the job it two parts if required.
  • The Rookie
    The Rookie Posts: 27,812
    Not at all, as described twice by the posts above yours.
    Currently riding a Whyte T130C, X0 drivetrain, Magura Trail brakes converted to mixed wheel size (homebuilt wheels) with 140mm Fox 34 Rhythm and RP23 suspension. 12.2Kg.

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