4iiii ultegra 8000 precision pro dual ride ready includes new crankset Chainrings:50x34 These pulleys are compatible with

These pulleys are compatible with all Shimano 11-speed rear derailleurs

A digital display clearly communicates both gearing and grade so you always know where you are during every stage of the ride

via the Health Mate app available on iOS (iOS 10 and higher) and Android (6

time trialists and cyclocross racers

4iiii ultegra 8000 precision pro dual ride ready includes new crankset Chainrings:50x34 These pulleys are compatible withFree 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 Ultegra R8000 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