Features 1. Hollow one-piece AL6061 high-strength aluminum alloy material, 3D forging. 2. The crank is compatible with single chainring and double chainring 104/64BCD. 3. The bottom bracket adopts BC1.37*24T conventional thread specification For 68-73MM length bottom bracket, For shaft core 24MM crank.
Model: Prowheel Claw, 104BCD Crankset 1x/2x Speed BCD: 104BCD and 64BCD, for 1x and 2x Length: 170mm Speed: 7/8/9/10/11/12s Body Material: Aluminum 6061 Spindle Material: Cr-Mo Steel Crankset weight: 730g Package Content: Crankset, bottom bracket, side cover, wrench for side cover, bolts