Full Speed Ahead SL-K 2x Modular Carbon Crankset - 172.5mm For Shimano HG+ 12-Speed 52/36t DM/90 BCD 30mm 386EVO Spindle BLK MFPN=W0F1900OFDLSA21563 Shimano Dura-Ace SL-BSR1 ShiftersThe right-side/rear

Shimano Dura-Ace SL-BSR1 ShiftersThe right-side/rear shifter is 11-Speed index-only left-side/front is 2-Speed

Fat bikes: If your fat bike has a 170/177 rear hub spacing

Stem: BMC RSM 01

Damping Motion Control Rake 42mm Lower Tubes Material Magnesium Brake Type Disc Primary Color Black Spring Type Air Maximum Tire Width 62mm Stanchions Diameter 32mm Steerer Tube 1-1/8 Crown Material Aluminum Damping Adjustments Extl rebnd low speed comp to lock Axle/Hub spacing QR Spring Adjustments Air pressure Travel 120mm Maximum Rotor Size 220mm Stanchions Material Steel Steerer Tube Material Aluminum Wheel Diameter 27

Full Speed Ahead SL-K 2x Modular Carbon Crankset - 172.5mm For Shimano HG+ 12-Speed 52/36t DM/90 BCD 30mm 386EVO Spindle BLK MFPN=W0F1900OFDLSA21563 Shimano Dura-Ace SL-BSR1 ShiftersThe right-side/rearEngineered 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