Promax HF-2 Crank Set Description:
The Promax HF-2 Crank Set are Promax’s top-of-the-line 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 24-millimeter spindle permanently fitted into the drive-side arm for enhanced rigidity and power transfer. Ideal for BMX enthusiasts, the HF-2 delivers top-notch performance and versatility.
Note: Requires long chainring bolts with most chainrings (roughly 7mm, measure your components for accuracy)
Features:
- Cold-forged 6061-T6 aluminum arms
- 104mm BCD
- Pedal washers included
- Laser-etched graphics
- Bottom bracket sold separately
- Will not fit English x 73mm bottom bracket shells
Specifications:
- Bottom Bracket Included: No
- Crankset Style: 2-Piece
- Spider: 4 Bolt (Integrated)
- BCD: 104mm
- Spindle Diameter: 24mm
- Spindle Material: Chromoly Steel
- Spindle Length: 112mm
- Crank Arm Material: Aluminum
- Chainline: 43 ± 1.5
- Q-Factor: 168
- Color: Black
- Weight: 175mm (31.78 oz)
Don't forget to add some Grease to the splines of your spindle, spindle bolts, and pedal spindles. This will greatly aid in installation and removal of your crank arms.
This product was added to our catalog on October 1, 2025
