Having spent 10 months hammering one of our long-term test bikes with X01 we’re yet to find the weak point in SRAM's groupset ... the complete X01 groupset with GXP bottom bracket option ...

The carbon cranks come in configurations for both FSA and SRAM crankset owners, with axle options for a number of bottom brackets “standards,” including 30mm, GXP, and BB386 EVo. The BB30 option ...