Box Four Cold Forged BMX Race Cranks-Black Crank Arm Length:165mm USE: All around street

USE: All around street

Center to Drive Side Flange–32mm

9" Long x 13/8" Diameter

Axle: 7075 T6 heat treated hollow with 3/8″ mm hollow bolts

TERATEC Protection is designed with the principle of right materials

Box Four Cold Forged BMX Race Cranks-Black Crank Arm Length:165mm USE: All around streetThe Box Four Cold Forged Crankset Black features a one of a kind 4 bolt spider with a support ring for extra flex resistance. Keeping things easy to install and long lasting is the 24mm spindle which is pressed into the drive side crank arm. The other side connects to the spindle using a strong two bolt pinch system. FEATURES Oversized Bottom Bracket Interface Durable Cold Forged Construction Dual Pinch Bolts for Even Clamping Force 4 bolt 104 BCD