Ksyrium pro carbon sl t discthe light tubular carbon rimed ksyrium designed for disc brake bikessuperlight for fast acceleration and climbingwheelset weighs just 1320 gramssuperlight carbon riminstant drive 360 hubhigh ride quality and comfortwide rim for improved tyre support25 mm supple tubular tyre25 mm deep rim to dampen road vibrationshigh reliability and braking efficiency24 spokes rear for perfect brake torque distributionrear hub convertible from 12x142 through axle to quick release 40