Quarq DFour DUB AXS Spider With Power Meter

Unlock your ultimate potential with the QUARQ DFour DUB power meter spider. Designed specifically for Shimano Dura-Ace R9100 chainrings, it lets you add world-class power measurement without changing your drivetrain. Ride with confidence knowing its +/- 1.5% dual-leg accuracy is backed by an IPX7 waterproof rating and 10k temperature compensation. With a 200-hour battery life and MagicZero automatic calibration, you just get on and ride. ANT+ and BLE connectivity seamlessly deliver your data, empowering you to train harder and ride faster