Promax CK-1 Carbon Crankset - 170mm, 2-PC, Direct Mount SRAM 3-Bolt, 30mm Spindle, Black Electronic Mounts Zipp SL-70 Aero Handlebar Airfoil

Zipp SL-70 Aero Handlebar Airfoil top bar reduces drag by

150g (50mm)

UPC: 810006801897

UPC: 840226099774

Flat rails

Promax CK-1 Carbon Crankset - 170mm, 2-PC, Direct Mount SRAM 3-Bolt, 30mm Spindle, Black Electronic Mounts Zipp SL-70 Aero Handlebar AirfoilCK 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