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Thread: Middleburn Chainring advice

  1. #1

    Middleburn Chainring advice

    Hi All
    I'm trying to make sure that I get the right middle chainring for my Hollwtech 2 m770 XT crank.But the info from CRC and Middleburn conflict each other.Does anyone run a Middleburn on this crank and which one is it.Middleburn are saying that I should go with " The ring you need is the 104pcd 88id "which is CRC product ID 31395 and CRC say that I should get product ID 12487.Would really appreciate the advice .


  2. #2
    Senior Member Fartblood's Avatar
    Join Date
    Mar 2011
    Tinkering in the Shed
    Head hurts! I just bought a 32T 104 BCD Middleburn and slapped it onto the 'nano chainset.
    Fartblood All Terrain Cycles
    Making the Stain worth the Pain since 1969

  3. #3
    Senior Member DISGreece's Avatar
    Join Date
    Jan 2009
    All I know is you need to be careful about getting the right one so that the chain moves across the rings smoothly..... I was thinking about getting the hardcoat version but was so confused I stayed with shimano...
    Ride hard but avoid the hikers

  4. #4
    Senior Member Kevolution's Avatar
    Join Date
    Feb 2011
    briton Ferry near Afan
    The one you need is marked as an XT version in the product description. It spaces 0.6mm wider than the standard ring.
    Old Skool, since "back in the day"

  5. #5
    Cheers ror that Kevo.

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