Take your training to the next level with the Shimano Ultegra FC-R8100 4iiii Precision Dual-Sided Power Meter Crankset. Combining Shimano's renowned Ultegra performance with highly accurate dual-sided power measurement, this crankset delivers the data serious cyclists rely on to train smarter, race harder, and measure every effort with confidence.
 
Featuring 170mm crank arms and a versatile 52/36T chainring combination, it's perfectly suited to riders looking for an efficient balance of speed, climbing capability, and precise performance analysis. Dual-sided measurement captures power independently from both legs, providing a more complete picture of your pedalling efficiency and overall output.
 
Built around Shimano's lightweight Hollowtech II construction, the FC-R8100 crankset offers exceptional stiffness and efficient power transfer, while the integrated 4iiii Precision power meter connects seamlessly to compatible cycling computers and training platforms via ANT+ and Bluetooth.
 
Whether you're preparing for your next race, following a structured training plan, or simply looking to understand your performance in greater detail, the Shimano Ultegra FC-R8100 4iiii Dual-Sided Power Meter is a premium upgrade that delivers reliable data ride after ride.
 
Available now from Royal Bikes, with Australia-wide shipping and expert advice from a specialist cycling retailer.