4iiii dura ace 9100 precision pro dual ride ready includes new crankset Groupset_Sram The only system to feature

The only system to feature continuous 3-axis adjustability for all out performance and comfort on the bike

Oversized Pulley Wheel System

RIVAL delivers a simple user experience

some models of Campagnolo rear derailleur

The oversized aluminium pulley wheels are fitted with standard or coated CeramicSpeed Bearings

4iiii dura ace 9100 precision pro dual ride ready includes new crankset Groupset_Sram The only system to featureFree Delivery in 3 4 business days (Ireland, Northern Ireland) Delivery in 5 7 business days (Europe) Finance available at checkout with humm by flexifi. Product Details Elevate your cycling with the 4iiii Dura Ace 9100 Precision Pro Dual Sided Power Meter and benefit from exceptional data accuracy of + 1% error margin. Preinstalled on a Shimano Dura Ace crankset, the lightweight unit offers ANT+ and Bluetooth compatibility, as well as a breakdown of