• Does any one have some 170mm cranks in boost flavour hanging around that can save my bacon for Saturday? The Race Face set I have are AEfecked.

  • Got some hopes

    Boost is dictated by the chain ring offset rite? You’d need a boost chainring

  • It's just 3mm. I run boost ring on a 135 frame for months and it was fine.

  • DM'd you

    Also it's usually the case with boost but with Shimano it's the spider that governs the chain line.

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