Description
The 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 freehub bodies. The 11-30T and 11-34T ranges use a mix of steel cogs and aluminum spiders to balance weight and durability. At 291g (11-30T), it provides a lightweight, racing-ready drivetrain solution for any road terrain.
Quick Facts
| Feature | Specification |
|---|---|
| Speeds | 12-Speed |
| Technology | Hyperglide+ (Shifting under load) |
| Freehub Compatibility | Shimano HG 11 & 12-Speed Road |
| Weight | 291g (11-30T) / 345g (11-34T) |
| Materials | Steel Cogs / Aluminum Spiders |
| Chain Compatibility | HG 12-Speed (e.g., CN-M8100) |
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