Shimano ST-R8170 Left Lever with BR-R8170 Rear Disc Brake

Experience the Future of Speed
Take your cycling to new heights with the Shimano ULTEGRA 8100, the pinnacle of speed engineering. With its DNA rooted in the DURA-ACE series, this cutting-edge componentry pushes the boundaries of performance. Designed for cycling enthusiasts, the ULTEGRA R8100 series introduces you to a world of wireless simplicity, unbeatable shifting speed, and unparalleled control.

Unleash Wireless Power
Embrace the future of cycling with the ULTEGRA 8100's wireless Di2 platform. Say goodbye to cumbersome cables and hello to precision and reliability. The system features a rear derailleur with a primary battery, making post-ride charging effortless. Plus, the shifter buttons are powered by long-lasting CR1632 batteries, ensuring you stay on the road for years to come.

Shimano's Fastest Shifting Yet
Experience lightning-fast shifting, thanks to Shimano's improved electronics system. The U