CycleOps PowerTap G3 24 Hole Hub Shimano

• World’s lightest power meter

• Hub weighs a mere 325 grams

• 15 mm alloy axle for optimum stiffness to weight ratio

• ANT+ compatible for use with Joule or your favourite computer

• Available in 20, 24, 28 and 32 spoke options (Shimano/SRAM or Campagnolo)