FSA K-Force Team Edition Direct Mount Chainring 50/37T AXS 12-speed Valve Length-Long Presta Valve 56-74mm Requires 118/73 Powerspline Bottom Brackets BCD Direct Mount SRAM Diameter:34.9 CK1153 S.H.I.S.-ZS44/28.6 / ZS55/40

FSA K Force Team Edition Direct Mount Chainring 50 37T AXS 12 speed Valve Length Long Presta Valve 56 74mm Requires 118 73 Powerspline Bottom Brackets BCD Direct Mount SRAM Diameter:34.9 CK1153 S.H.I.S. ZS44 28.6 ZS55 40 Requires 118 73 Powerspline Bottom Brackets (sold separately) Rings 32 Number of Chainrings Chain Retaining Single Drivetrain Speeds 12 Chainring BCD Direct Mount SRAM 3 Bolt Chainline Hub Compatibility 141 148 Boost Hubs Color Black Crank Length (mm) 170 Crank Intended Use Mountain BB Included No Pedal Spindle 9 16" Spindle Interface Type TruVativ Power Spline Defined Color Black 5" Straight Steerer Black