Train smarter and ride with confidence using the Shimano Ultegra FC-R8100 4iiii Precision Power Meter. Designed to integrate seamlessly with Shimano's 12-speed Ultegra drivetrain, this left-side power meter delivers accurate, reliable power data to help you measure every ride and track your progress.
 
The 4iiii power meter pairs easily with compatible cycling computers and training apps via ANT+ and Bluetooth, making it an excellent upgrade for riders focused on structured training, racing, or improving performance.
 
Compatible with Shimano Ultegra FC-R8100 cranksets, this model features a 172.5mm left crank arm and combines proven Shimano reliability with trusted 4iiii power measurement technology.
 
Available now from Royal Bikes, with Australia-wide shipping.