HIGH PERFORMANCEProviding high performance with low weight, the new Shimano Ultegra CS-R8000 11 Speed Cassette is designed to deliver top-tier shifting with a wide variety of gearing options. Carrying over the same cogs-on-carrier design, the largest 5 cogs of this cassette are mounted to a lightweight carrier for further weight reduction and improved strength. With a durable construction of nickel-plated steel cogs, this cassette is ready for seasons of corrosion-resistant riding. FEATURESLong-lasting racing cogs for the self-sponsored cyclistReliable, durable steel preforms like Dura-Ace plus a few gramsPrecisely machined ramps allow for accurate 11-speed shiftingRanges available for crits to climbs to gravel grindsShimano's Ultegra R8000 drivetrain leads the way for best value in the industry