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85mm spacer is required for 11-speed drivers
Compatible with 12 Speed
Engineered as integrated
Compatible with Roval bolt on computer mount
Black Aluminum Ø 28
Shimano CS-R8101 Ultegra Cassette chain 85mm spacer is required forThe 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
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