• Yeah, the guys I know with them are happy, I've just never used them myself so the whole range is a bit of a 'what the?'

  • The spindles are either GXP or BB30/BBright (long enough to fit most BBs)

    Arms are removable, and largely have the 8 bolt pattern, unless the spider is older and it has the Sram 3 bolt pattern (or you have the Specialized cranks)

    If you don’t go for the DFour and Shimano rings, spiders are either standard 5 bolt, or 5 bolt sram hidden ring.

  • haven't looked this up but from memory there were two different bb standards, three types of chain ring attachment and a variety of crank lengths....

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