Built for total chain control, each tooth’s thickness is CNC-machined to fit better into the chain’s inner and outer links. Five available chain rings (30-32-34-36-38) let you tune your gear range to match your terrain, wheel size and riding style. All the X-SYNC chain rings work with the same spider—which lets you to change them without removing the crank arm.
BB30: Besides serious weight savings, this bottom bracket means narrow Q-factor, more ankle clearance, greater bearing durability and stronger crank construction.
GXP®: GXP’s Gutter Seal design cuts friction and weight—improving both feel and performance.
Arm Material: Carbon composite / aluminum spider
Chainring Material: AL-7075-T651
Weight: 700g (GXP BB, 175mm, 32-tooth ring)
Bolts: 6mm hex bolts
Bottom Bracket: BB30, GXP
Recommended Chain: PC-XX1
**Please note: Chainring is NOT included**
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