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Features shimano 2v 11-30t cs-r8101 ultegra
The seamless shifting experience of the range of Ultegra R8100 12-speed cassettes lets you climb, sprint or flatten without stopping to think about your next gear change. Larger cogs maximize drivetrain efficiency and create compatibility with Shimano's 11- and 12-speed Freehub bodies.
Features:
1-30 (11-12-13-14-15-16-17-19-21-24-27-30T)