Shimano 105 CS-R7000 Cassette Shimano has redesigned the 105 line of components to keep it up to date with the ever-evolving industry standards. The R7000 utilizes trickled down technology from Shimano's top-tier groupsets, taking upon only the best of features to provide you with a budget-friendly yet race worthy drivetrain you can trust even under the most demanding conditions. The Shimano 105 CS-R7000 Cassette features an increased range of high-performance gearing combinations and has been designed to fit both road and mountain specific wheelsets. Features11-Speed Cassette High performance rider tuned gearing with wider gear choices CS-R7000 gear combinations: 12-25T, 11-28T, 11-30T, 11- 32T | Shimano | 105 Cs-R7000 Cassette 11-30T