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Shimano 6870 Ultegra Di2 groupset lets you experience the power, speed and efficiency of electronic shifting. It's race proven and incorporates all the new technology from it's bigger brother (Dura Ace) into a more affordable package.
The HollowTech II 11-speed Ultegra chainset offers an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive riders. Available are various chainset sizes with various crank lengths and cassettes. The chainring teeth have been developed to work in conjunction with 11-speed HG-EV chains for increased contact to provide greater efficiency and improved power transfer
The lightweight 11-speed HG-EV cassette, with rigid alloy sprocket carrier for reduced weight, offers exceptional shifting performance, even under the most demanding gear changes. Various options of cassette sizes are available for the options shown on this page.