Promax HF-3 Hollow Hot Forged Crankset - 172.5mm 2-PC Direct Mount SRAM 3-Bolt 30mm Spindle BLK

Experience unmatched performance with the Promax HF-3 Hollow Hot Forged Crankset, designed for serious BMX riders who demand strength, precision, and lightweight efficiency. At 172.5mm length, this 2-piece direct mount crankset features a robust 30mm spindle paired with SRAM’s 3-bolt mounting system, delivering exceptional power transfer and durability on every ride.

Crafted from premium 6061-T6 aluminum using advanced hollow forging techniques, both crank arms are engineered to be incredibly stiff yet feather-light, minimizing weight without compromising strength. The hollow design reduces rotational mass, allowing for quicker acceleration and enhanced control during aggressive maneuvers.

The integrated 30mm spindle is permanently fixed to the drive-side arm, ensuring solid stiffness that optimizes pedaling efficiency and responsiveness. This crankset supports direct-mount sprockets for further weight reduction, or you can use the included 104 BCD spider adapter to customize your chainring setup according to your riding style and terrain.

• Precision CNC Machined 6061-T6 Aluminum: Delivers a perfect balance of lightweight durability and rigidity for high-performance BMX riding.
• SRAM 3-Bolt Direct Mount Compatibility: Allows easy installation of chainrings designed for SRAM’s mounting system, ensuring seamless integration and reliability.
• Includes 4-Bolt 104 BCD Spider/Adapter: Offers versatility to run a variety of chainring sizes and configurations (Note: Not compatible with CK-1 crank spider/adapter).
• 30mm Spindle: Enhances stiffness and power transfer efficiency to maximize your pedaling output.
• Pedal Washers Included: Essential for proper pedal installation and long-lasting performance.
• Bottom Bracket Sold Separately: Customize with your preferred bottom bracket to suit your bike setup.

Whether you’re pushing your limits on the track or hitting the streets, the Promax HF-3 crankset is engineered to deliver precise, reliable performance that elevates your ride. Its sleek black finish not only looks professional but also resists wear, keeping your setup looking sharp season after season.