Promax HF-3 Hollow Forged 2-piece 30mm BMX Crank - 170mm - Black 63mm SIZE: Youth Small (Head Circumference:

SIZE: Youth Small (Head Circumference: 18

Handlebars: 810mm Wide Alloy BMX / 140mm Tall

It is perfect for vintage frames

Protected recessed end cap

Pressure Rating: 40-65psi

Promax HF-3 Hollow Forged 2-piece 30mm BMX Crank - 170mm - Black 63mm SIZE: Youth Small (Head Circumference:HF 3 cranks are Promaxs top of the line aluminum crank offering. Hollow forged from 6061 T6 aluminum, both crank arms are hollow so they are super stiff, yet lightweight. The crank arms spin on a beefy 30mm spindle permanently fitted into the drive side arm. These cranks offer direct mount sprocket compatibility for additional weight savings, or run them with the included 104 BCD spider adapter. CNC machined 6061 T6 aluminum crank arms are