Pay in 4 interest-free payments of $40.75 Learn more
Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
tool-free attachment to virtually any road bike
8" E-Bike Ready Yes (Specific Hub/Axle options)
800 lumen output / 180-hour max runtime in Femto mode
DYNAMIC CHAIN ENGAGEMENT+ improves chain engagement and retention
Shimano Ultegra CS-R8100 12 Speed Cassette Choose:11-34T tool-free attachment to virtually anyThe 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
