Promax CK-1 Carbon Crankset - 170mm 2-PC Direct Mount SRAM 3-Bolt 30mm Spindle BLK ModelNumber=J2507 The expanding wedge makes a

The expanding wedge makes a secure fit for most handlebar diameters

Full suspension or entirely rigid upon a mountain top or deep in the woods it’s up to you to define your trail

T25 and T30 tools for common trail-side and pivot-hardware adjustments

Hubs (F/R):

Offers features found on its higher-performance brethren

Promax CK-1 Carbon Crankset - 170mm 2-PC Direct Mount SRAM 3-Bolt 30mm Spindle BLK ModelNumber=J2507 The expanding wedge makes aCK 1 cranks are Promaxs top of the line carbon crank offering. The race ready carbon design maximizes strength and minimizes weight. The crank arms spin on a beefy 30mm spindle to increase stiffness and power transfer. These cranks offer direct mount chainring compatibility for additional weight savings or run them with a 4 bolt 104 BCD chainring adapter available separately. Premium carbon crank arms are lightweight and extremely strong 30mm premium