Vision Tech TriMax Carbon Crankset: Super-aero bladder molded hollow carbon monocoque arm/disc spider. Features FSA Ceramic cartridge bearings with smoother, lighter balls. 24mm CrMo spindle fixed into drive arm. MegaExo bottom bracket with oversized external alloy bearing cups. Cups are English threaded, Italian cups sold separately.
39/53t CNC 7075 rings with ramps/pins. Includes 7075 aluminum Torx T-30 chainring bolts. 909g (w/ rings & BB).