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High-carb energy drink for endurance sport
plastic and carbon fibre surfaces
Speed (RD): 12
comfortable and safe support and grip
Shimano Ultegra CS-R8101 / R8100 12 Speed Cassette Size:11-30 High-carb energy drink for enduranceThe uninterrupted shifting experience of the ULTEGRA R8101 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. Take your road bike performance to the next level with the Shimano Ultegra CS R8100 12 Speed Cassette. Designed for Shimanos latest generation 12 speed road
