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  1. #1
    steep fast and loose :)
    Reputation: The_Lecht_Rocks's Avatar
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    Cove Hummer & Chainsuck

    anyone else ?
    RF Deus XC chainset + 50mm chainline here.
    Sucked flike a pig,

    Simon.

  2. #2
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    Reputation: bik3man's Avatar
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    Yeah, I ran my Hummer with a Deus XC crank for a while, and experienced chainsuck from time to time, but I blame the quickly worn granny ring, not the frame. The chainrings on the Deus XC crank wear easily. I've changed to a Middleburn Duo 29/42 now, and have no sucking issues.

  3. #3
    steep fast and loose :)
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    bik3man - middleburn cranks and rings ?
    if so, what's the spacing, etc ? any pics ?

    simon.

  4. #4
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    Yes, Middleburn RS7 arms with duo spider. 29/42 is perfect for AM/trail-use.

    I have no pics of my setup, but this is a typical Duo: http://www.chainreactioncycles.com/K...x?ModelID=3345

    More info here: http://www.middleburn.co.uk/

  5. #5
    Tear it all out! SuperModerator
    Reputation: CraigH's Avatar
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    No problem with my old Hummer. Using old RF Turbine cranks and RF rings (I can't remember if I replaced the middle ring or not).

  6. #6
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    Same with me. I have a 2003 Hummer, and the first years I used the old Turbine cranks & rings, and had no problems. Then I changed to the Deus XC crank and after a while I had massive chainsuck.

  7. #7
    Tear it all out! SuperModerator
    Reputation: CraigH's Avatar
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    Sounds like it is the ring(s)? Maybe check the reviews for the cranks to see if others are having problems with the rings on the RF Dues cranks.

  8. #8
    Brit on a trip
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    Hmmmm....... interesting to find this thread. Before I got mine a friend said he was having endless problems with chainsuck on his Hummer.

    When I got mine I fitted the Deus crankset from the bike it replaced - together with new Doere steel middle and inner rings, new cassett and chain (I have been using deore rings on both my bikes for a couple of years now as aluminium rings have a very limited life during UK winters!). It sucked from about the third ride and quickly started to damage the chainstay.

    I then experienced total failure of the Deus bolt and fitted a new Shimano XT Hollowtech 11 chainset from my other bike so I could keep riding - no further problem to date (although it won't be long as the life of Shimano aluminium rings is measured in weeks around here).

    I had by then exchanged a couple of e mails with Brian Kelly at Cove and he insists that all will be fine so long as there is a 50mm chainline. The XT is spot on for that - I can't comment upon the Deus as that has not been refiited since the bolt was replaced. However, my friend who experienced the same problem also has a Deus set fitted - something of a trend here? No idea why that should be though as the Deus should also deliver a 50mm chainline.
    Growing old is mandatory - growing up is optional

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