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Is my cassette worn?

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  • February 17, 2018 at 7:22 pm #28149
    boxrick

    I have been told my chain is in need of replacement. Id like to know if my cassette is also worn since I fancy getting a 11-28T anyway rather than the 11-32T I have right now.

    What are the signs of a badly worn cassette?  And how bad or good is mine, will simply changing the chain be ok on this occasion ?  Any tips of advice appreciated 🙂

    https://s14.postimg.org/m1iseip5t/20180217_170655189_i_OS.jpghttps://s14.postimg.org/4bh3thr0h/20180217_170709387_i_OS.jpghttps://s14.postimg.org/3yppnb10x/20180217_170726182_i_OS.jpg

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Viewing 13 replies - 1 through 13 (of 13 total)
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  • February 18, 2018 at 8:23 pm #912635
    0
    boxrick

    Cheers for the feedback guys,

    Cheers for the feedback guys, sadly this is my commuter and that is about 2 weeks worth road gunk. I’ll fit the new chain and give the cassette a clean as advised!

    February 18, 2018 at 7:43 pm #912633
    0
    VeloUSA

    How to determine cassette

    How to determine cassette wear: https://www.artscyclery.com/learningcenter/determiningcassettewear.html

    February 18, 2018 at 6:55 pm #912631
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    Simon E

    ktache wrote:

    ktache wrote:
    Put a new chain on, if it does the slipping, clunky thing you unfortunatly need a new cassette.

    Yep. Test it in your most used gear(s) – those are the ones where the new chain is most likely to skip.

    I’ve never had to resort to kerosene, white spirits or similar toxic stuff to clean a cassette, just a small amount of citrus-based domestic degreaser and a brush.

    Little and often is the best policy with drivetrain maintenance – the longer you leave it the bigger the job (and it wears faster in the accumulated crud).

    February 18, 2018 at 2:38 pm #912629
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    Boatsie

    Vinegar is a great bath to
    Vinegar is a great bath to rid rust with.
    Bath rusty stuff in vinegar 24hr and it comes out much better. Best rust remover I know, I’m guessing it will assist a cassette.

    I was in similar situation. LBS advised me to change cogs because my chain was excessively worn. 100% on gauge. I could just change chain but cassette would wear quickly due to chain length embedded pattern.
    At $20 each per cassette/chain I changed both. I don’t know if that of help. Vinegar is great stuff to save old parts with though.

    February 18, 2018 at 2:24 pm #912627
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    ChrisB200SX

    CXR94Di2 wrote:

    CXR94Di2 wrote:
    2 minutes in gunk and ultrasonic bath

    Ultrasonic is amazing.

    Kerosene is good, sold in B&Q as Paraffin. Give it a second clean with fresher fluid. Rinse off, bath in methylated spirits to remove all residue. Let it dry, then add new awesome luricant 🙂

    February 18, 2018 at 1:28 pm #912625
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    Rapha Nadal

    CXR94Di2 wrote:

    CXR94Di2 wrote:
    2 minutes in gunk and ultrasonic bath

    Looks like it’s still filthy though?  Unless it’s my eyes?!

    OP: your cassette is fine,

    February 18, 2018 at 1:16 pm #912623
    0
    Anonymous
    ktache wrote:
    Rohloff do a cassete wear checker.

    The Rohloff HG IG Check.

    Odd that the people who make a hub that does away with the cassette makes a cassette checker.

    Put a new chain on, if it does the slipping, clunky thing you unfortunatly need a new cassette.

    …or a new middle/inner ring

    February 18, 2018 at 10:25 am #912621
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    CXR94Di2

    2 minutes in gunk and
    2 minutes in gunk and ultrasonic bath

    February 18, 2018 at 10:24 am #912619
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    StraelGuy

    Like ktache said, stick a new

    Like ktache said, stick a new chain on and if it slips, change the cassette. If it doesn’t, you’re good to go.

    February 18, 2018 at 10:23 am #912617
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    CXR94Di2

    A good clean will help to
    A good clean will help to start with. you can do it manually or with an ultrasonic bath, (fantastic). I drop mine in ‘gunk’ tub run it in the ultrasonic bath. It removes all the grease and grit. Then rinse whilst ultrasonic in clean water. I then drop the chain into a tub of chainsaw oil. wipe excess and bingo, super clean and lubricated chain. Remove Cass and do the same except don’t oil at all. reassemble and test. Worse case you might need a chain.

    February 17, 2018 at 8:56 pm #912615
    0
    ktache

    Rohloff do a cassete wear

    Rohloff do a cassete wear checker.

    The Rohloff HG IG Check.

    Odd that the people who make a hub that does away with the cassette makes a cassette checker.

    Put a new chain on, if it does the slipping, clunky thing you unfortunatly need a new cassette.

    February 17, 2018 at 8:47 pm #912613
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    AfterPeak

    You need a chain check tool.
    You need a chain check tool. It will tell you if you need to change just the chain or the chain and cassette. Looks OK but keep it clean or it will last 5mins!

    February 17, 2018 at 8:41 pm #912611
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    Canyon48

    It doesn’t look badly worn to
    It doesn’t look badly worn to me. I’ve seen cassettes with sharpened worn teeth!

    If the teeth feel sharp, that’s a good sign of wear.

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