Full Speed Ahead SL-K 2x Modular Carbon Crankset - 170mm For Shimano HG+ 12-Speed 50/40t DM/90 BCD 30mm 386EVO Spindle BLK Translucent Whitestone/Turquoise - Silicone Redesigned SERVO WAVE optimizes the

Redesigned SERVO WAVE optimizes the power curve and manages pad-to-rotor friction throughout the lever pull for better balanced braking while Shimano’s new low viscosity mineral oil keeps power consistent over a wider range of temperatures

Fits cranksets and chainrings with 51 - 55mm chainlines

4 Flange Diameter

Adjustable Hydraulic Bottom Out features five compression settings to customize the amount of bottom-out resistance in the last 20% of travel for reliable performance and tunability to resist the harsh hits

Full Speed Ahead SL-K 2x Modular Carbon Crankset - 170mm For Shimano HG+ 12-Speed 50/40t DM/90 BCD 30mm 386EVO Spindle BLK Translucent Whitestone/Turquoise - Silicone Redesigned SERVO WAVE optimizes theFull Speed Ahead SL K 2x Modular Carbon Crankset 170mm For Shimano HG+ 12 Speed 50 40t DM 90 BCD 30mm 386EVO Spindle Black. Engineered 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