Shimano Ultegra 12-Speed CS-R8101 Hyperglide+ Road Cassette Sprocket Variant:11-30T Light and discreet mudguard

Light and discreet mudguard

5 Internal Cabling

70 mm length Head set Semi-integrated

Automatic Time Calibration Yes

Shimano Ultegra 12-Speed CS-R8101 Hyperglide+ Road Cassette Sprocket Variant:11-30T Light and discreet mudguardSHIMANO ULTEGRA 12 speed HYPERGLIDE+ Road Cassette CS R8101 12 NEW The uninterrupted shifting experience of the ULTEGRA 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. HYPERGLIDE+ cassettes revolutionized off road shifting with its seamless shifts both up