Pay in 4 interest-free payments of $40.75 Learn more
Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
800 lumen output / 180-hour max runtime in Femto mode
For optimum 'self-cleaning' performance
Mips safety system reduces rotational forces during a crash
making it an ideal choice for maintaining or upgrading the steering performance of your mountain or road bike
8" E-Bike Ready Yes (Specific Hub/Axle options)
Shimano Ultegra CS-R8100 12 Speed Cassette Choose:11-34T 800 lumen output / 180-hourThe Shimano Ultegra CS R8100 is a high performance 12 speed cassette featuring Hyperglide+ technology. This system allows for seamless shifting under maximum load, letting you maintain cadence during sprints or steep climbs. It is a significant upgrade for Di2 systems, offering faster and quieter gear changes compared to previous generations. Designed for versatility, the cassette is compatible with both new Shimano 12 speed and existing 11 speed road
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