Ares XX Crank Set & Arms (19mm / 135mm, 145mm & 160mm)

The XX cranks are Ares newly designed cranks. These are ultra-lightweight & incredibly strong. Arms Material / Size: Aluminum. Available in 135mm, 145mm & 160mm Micro drive bolt on sprockets or spline drive compatible (removeable bolt on boss for even more weight reduction) Spindle Material & Size: 19mm Aluminum 48 spline Weight (Arms & Spindle): 19.8oz / 561g (145mm)