Shimano Ultegra CS-R8101 Cassette - 12-Speed, 11-34t, Silver

The uninterrupted shifting experience of the Shimano Ultegra CS-R8100 12-speed cassette range lets you climb, sprint, or cruise without stopping to think about your next gear change. Larger driving cogs maximize drivetrain efficiency and create compatibility with both Shimano 11 and 12-speed freehub bodies. Shimano HYPERGLIDE+ technology is integrated to provide seamless shifts both up and down the gear range. Refined 12 step gear combination provides peak efficiency and accelerating performance for every racing situation Faster, smoother shifts under maximum pedaling force Compatible with 12-speed and road 11-speed freehub body Product Specifics Range: 11-34 Cogs: 11-12-13-14-15-17-19-21-24-27-30-34 Cassette Body Type: Shimano HG 11/12-Speed Road Drivetrain Speeds: 12 Color: Silver Weight: 345 Defined Color: Silver Today's Stock Status 10+ Available to ship in 2-4 Business Days UPC: 192790849881 EAN: Not available Manufacturer Part Number: Does Not Apply FW0319 181679-Q0-L