Shimano Ultegra CS-R8100 Cassette 12 Speed 11-34 Silver ICSR810012134

Shimano Ultegra CS-R8100 Cassette - 12-Speed, 11-34 tooth , 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
Color: Silver
Cassette Body Type: Shimano/SRAM 11 Speed Road
Drivetrain Speeds: 12
Cassette Cogs: 11-12-13-14-15-17-19-21-24-27-30-34
Weight: 345
Range: 11-34 
Model: Ultegra CS-8100 12-Speed Cassette
Brand: Shimano 
Manufacturer Part Number: ICSR810012134
UPC: 192790894164