New chainrings and new Chain yet still chainsucking – what next?

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  • New chainrings and new Chain yet still chainsucking – what next?
  • Premier Icon slowboydickie
    Subscriber

    I replaced the chain and chainrings, made sure everything was clean and lubed the night before with all excess removed but went out today and as soon as the chain got wet the dreaded chainsuck was back. Aaaaaaaaaaaaagh!

    The mech looks straight. The cassette is barely worn. The chain appears not to be twisted. What’s next?

    – some kind of chain device?
    – clutch type mech?
    – The chain could be slightly too long. Shorten chain?
    – Ride a SS? I’ve got one coming for Christmas.

    Any ideas greatly appreciated.

    Cheers
    Rich

    Sell them in the classifieds 😆

    chojin
    Member

    Have you definitely got the correct amount of spacers between the BB and the frame?

    Premier Icon slowboydickie
    Subscriber

    The BB shell is 73mm and it is a HTII BB so I don’t need any spacers (or so I think).

    wildtrack4x4
    Member

    i got a 73 and i got 1 spacer on the drive side as per:

    bb install instructions

    if that works

    Premier Icon slowboydickie
    Subscriber

    It’s a GXP so maybe different (I’m pretty sure the instruction said no spacers) but I will double check. Thanks for the pointer

    PaulD
    Member

    I have a GXP that came with 3 spacers and instructions same as Shimano…so you need 1 on the DS with a 73mm shell unless you have a BB mounted chain device or front mech.

    PaulD

    Premier Icon slowboydickie
    Subscriber

    Hmm, thanks. Not sure on this one. I can’t find a technical document for SRAM or Truvativ BBs but this post below seems to think no spacers required.

    about SRAM BBs

    Premier Icon househusband
    Subscriber

    …what frame, just out of interest?

    Premier Icon slowboydickie
    Subscriber

    Tallboy XXL

    renton
    Member

    Could it be frame flex ? My old inbred used to do this even with a brand new drivetrain and the shop put it down to frame flex around the bottom bracket.

    chojin
    Member

    I had an HT (Boardman with a 73mm shell), a GXP BB and Truvativ cranks, it came with 1x spacer on the drive side from the factory. I can only assume this is correct. As far as I’m aware, both Shimano and SRAM require the same amount of spacers.
    No spacers sounds wrong to me.

    v10
    Member

    No spacers on a 73mm GXP.

Viewing 13 posts - 1 through 13 (of 13 total)

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