Full Speed Ahead SL-K 2x Modular Carbon Crankset - 170mm For Shimano HG+ 12-Speed 53/39t DM/90 BCD 30mm 386EVO Spindle BLK MFPN=11601104.01 Core: NOMEX

Core: NOMEX

With an updated internal profile to accommodate wider tires and optimize airflow the shaped carbon surface creates a powerful "sail effect" at key yaw angles turning crosswinds into forward momentum

If you have a BB30 crankset (30mm diameter aluminum spindle) this measurement will determine whether it is a long or short spindle:

Do not bleach or iron Gender/Age Unisex Color Half Dome Size Medium Season Warm Weather Cuff Length 6 Material Synthetic Defined Color Multi-Color

- Clamp Diameter: 31

Full Speed Ahead SL-K 2x Modular Carbon Crankset - 170mm For Shimano HG+ 12-Speed 53/39t DM/90 BCD 30mm 386EVO Spindle BLK MFPN=11601104.01 Core: NOMEXEngineered with advanced materials and fully in house manufacturing the SL K combines durability innovation and style making it the ideal choice for both professional cyclists and passionate enthusiasts looking for the best equipment. At the heart of the SL K Light Direct Mount lies FSAs Hollow technology which creates ultra light hollow carbon crank arms. This design offers the perfect balance of lightweight construction and exceptional stiffness