Promax CK-1 Carbon Crankset - 170mm 2-PC Direct Mount SRAM 3-Bolt 30mm Spindle BLK CheckoutSpec= 90mm x 42cm 5` headtube and 1-1/8` steerer

5` headtube and 1-1/8` steerer

and a foam pad for secure mounting

(2) compression nuts

Weight: 180 g

Promax CK-1 Carbon Crankset - 170mm 2-PC Direct Mount SRAM 3-Bolt 30mm Spindle BLK CheckoutSpec= 90mm x 42cm 5` headtube and 1-1/8` steererCK 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