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 CheckoutTitle=CST Scout Tire - 20 x 4 use the included Wolf Tooth

use the included Wolf Tooth chainring bolts

Extended sealing capability

Ring Position/Type Chain Retaining Single Ring Tooth Count 32 Round or Oval Round Drivetrain Speeds 12 Chainline/Hub Compatibility 135/142 MTB Hubs Chainline/Hub Compatibility 141/148 Boost Hubs Material Steel Defined Color Black Direct Mount Type Direct Mount CINCH

THE CORE: The core material is the foundation of a roller ski shaft and V2 has tried about every material available including a variety of metal cores

Built using 3 hardened stainless-steel band layers wrapped in an aramid fiber jacket

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 CheckoutTitle=CST Scout Tire - 20 x 4 use the included Wolf ToothEngineered 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