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rear cassette slipping on hub

  • 26-02-2013 9:41pm
    #1
    Kaiserkel
    Registered Users, Registered Users 2 Posts: 28 ✭


    Had a problem Sunday where the cassette was slipping on the hub. First I thought the chain was slipping, but it became more common and then at one stage completely disengaged from the wheel. I took the wheel off, and couldn't find anything wrong, and was able to make it home.

    Have no confidence to go for long cycle now. Do I need new cassette or hub? Hard to get to lbs this week so wondering is there anything I can check myself.
    Bike is Scott s40, with tiagra rear mech, and sram 9 speed cassette.

    Any advice or tips?


Comments

  • #2
    Hungrycol
    Registered Users, Registered Users 2 Posts: 2,246 ✭✭✭Hungrycol


    Sounds like your freewheel it gone. Shouldn't be a biggy for your LBS to change it or if you're so way inclined look up changing a freewheel on YouTube and DIY.


  • #3
    cdaly_
    Registered Users, Registered Users 2 Posts: 6,440 ✭✭✭cdaly_


    It was seriously cold on Sunday. Could be water in the freehub freezing. Strip, clean and lube the freehub might sort it out.


  • #4
    victorcarrera
    Registered Users, Registered Users 2 Posts: 1,059 ✭✭✭victorcarrera


    cdaly_ wrote: »
    It was seriously cold on Sunday. Could be water in the freehub freezing. Strip, clean and lube the freehub might sort it out.

    +1 Or the grease in the hub gets sticky in colder conditions preventing the pawls engaging. Temperatures like Sunday's are rare enough here but if this is regular for you I would be inclined to put a lighter grease or oil in there.


  • #5
    Kaiserkel
    Registered Users, Registered Users 2 Posts: 28 ✭Kaiserkel


    Thanks for replies - I think freewheel is gone as its slightly slipping even inside the house. Will bring to LBS when I get the chance.


  • #6
    jca
    Closed Accounts Posts: 8,585 ✭✭✭jca


    Kaiserkel wrote: »
    Thanks for replies - I think freewheel is gone as its slightly slipping even inside the house. Will bring to LBS when I get the chance.
    Don't ride the bike with it like this. The intermittent loss of drive followed by the drive coming back with a bang will strip the thread on either the hub or the cassette.


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  • #7
    dermo1990
    Registered Users, Registered Users 2 Posts: 214 ✭✭dermo1990


    Something similar happened to me...sounds like the pawls in the freehub have worn down, most lbs' should be able to take care of this, it'll probably be about 20-30 euro for the repair


  • #8
    dancecatz2000
    Registered Users, Registered Users 2 Posts: 209 ✭✭dancecatz2000


    If the freewheel ever goes, to any one out and about you can cable tie or some wire from the cassette to the spokes to get u home, tried and tested


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