Full Speed Ahead SL-K 2x Modular Carbon Crankset - 172.5mm For Shimano HG+ 12-Speed 50/40t DM/90 BCD 30mm 386EVO Spindle BLK CheckoutSpec= Air shaft 700 x 28 and larger

700 x 28 and larger sizes are compatible with hookless rims 700 x 26 size tires are not hookless compatible

CeramicSpeed's OSPW Aero system has been developed in close collaboration with one of the world's leading aerodynamicists

Its breathability

Laminated handles provide a comfortable grip for easy tire swaps

Press-fit end caps allow tool-free maintenance and conversion Rear Axle 12mm Thru x 142mm Cassette Body Type Shimano Micro Spline Color Black Skewer Included No Bearing Type Sealed Cartridge Defined Color Black Spoke Interface J-Bend Hub Drilling 24 Hub/Brake Compatibility Center-Lock Disc

Full Speed Ahead SL-K 2x Modular Carbon Crankset - 172.5mm For Shimano HG+ 12-Speed 50/40t DM/90 BCD 30mm 386EVO Spindle BLK CheckoutSpec= Air shaft 700 x 28 and largerEngineered 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