The Promax HF-2 cranks are Promax's top-of-the-line BMX crank set with hollow-forged arms from 6061-T6 aluminum. These cranks are super stiff, yet lightweight and durable. The crank arms spin on a super strong 24mm hollow chromoly spindle that is permanently fitted into the drive-side arm.
SPINDLE FIT: Designed as 2-pc crank, spindle included and built on to drive arm
MATERIAL: 6061-T6 aluminum, Hollow forged arms with 24mm hollow chromoly spindle
BOTTOM BRACKET: Sold separately, Outboard 24mm bottom bracket required
CHAINRING: Requires 4-bolt chainring (104mm bolt pattern)
PEDAL FIT: 9/16" (standard for 3pc cranks)
INCLUDES: Right and Left crank arms, spindle and crank arm bolts.
Bottom brackets sold separately. CLICK HERE
to see full listing of bottom brackets.