Shimano Ultegra 12-Speed CS-R8101 Hyperglide+ Road Cassette Sprocket Variant:11-34T Each tooth's thickness is toleranced

Each tooth's thickness is toleranced and controlled to work seamlessly with the chain's inner and outer links

Podium® 21oz/24oz Bike Bottle

Black inner plated finish

ONE WAY BLEEDING

Shimano Ultegra 12-Speed CS-R8101 Hyperglide+ Road Cassette Sprocket Variant:11-34T Each tooth's thickness is tolerancedSHIMANO 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