Box Four Crankset with BB, 170mm - Black

- Cold Forged Construction\n- 4-bolt 104 BCD Spider\n- 24mm CrMo spindle\n- 6061 T-6 Aluminum\n- External 68mm BSA BB Included\n- Dual pinch bolts for even clamping force\n- Laser-etched graphics\n- 3rd party web sales must be an Authorized Dealer