CK-1 Carbon Crankset disc brakes but are not included

but are not included

SwitchHitter II head automatically switches between Schrader and Presta valves

Injection molded nylon / fibreglass

and hand washable comfort pads

CK-1 Carbon Crankset disc brakes but are not includedCK 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