The ksyrium pro carbon sl disc clincher wheelset is a lightweight carbon rimmed wheel designed for bikes with disc brakes weighing just 1520g the wheelset is incredibly light for quick acceleration and fast climbs a wide rim with 25mm tubular tyres dampens road vibrations to provide a high ride quality and comfort the 24 spoke front and rear construction provides ideal disc brake torque distribution for maximum reliability and increased braking efficiency features wheelset weighs just