Shimano Ultegra CS-R8100 12-Speed Cassette 11-30T

Shimano Ultegra CS-R8100 12-Speed Cassette

The Shimano Ultegra CS-R8100 cassette marks a significant evolution in 12-speed road drivetrains, engineered to deliver fast, smooth, and efficient shifting even under heavy load. Thanks to HYPERGLIDE+ technology, gear changes can be performed seamlessly without interrupting pedaling, ensuring maximum efficiency during climbs, sprints, and pace changes.

Designed for the Shimano Ultegra R8100 groupset, this cassette offers optimized gear progression across 12 speeds, improving acceleration, control, and overall performance on any terrain.

Key Features

• HYPERGLIDE+ technology for smooth shifting under load
• 12-speed optimized gear progression
• Faster and more precise shifting even during intense efforts
• Improved efficiency with refined sprocket design
• Wide compatibility with Shimano 11-speed and 12-speed freehub bodies

Performance & Technology

The HYPERGLIDE+ technology, derived from MTB systems, enables continuous and smooth gear transitions, enhancing pedaling stability even in demanding conditions.

The 12-speed design ensures a more gradual gear progression, increasing efficiency in both acceleration and sustained efforts.

Technical Specifications

• Speeds: 12-speed
• Technology: HYPERGLIDE+
• Materials: nickel-plated steel sprockets, aluminum carrier
• Freehub compatibility: Shimano Road 11-speed and 12-speed
• Chain compatibility: Shimano 12-speed (CN-M8100 / CN-M9100)
• Use: Road cycling
• Color: Silver

Available Ratios

• 11-30T: 11-12-13-14-15-16-17-19-21-24-27-30

Weight

• Approx. 291 g (11-30)

Compatibility

The CS-R8100 cassette is compatible with both Shimano 12-speed and traditional 11-speed road freehub bodies, allowing easy upgrades without replacing the hub.

Why Choose Shimano Ultegra CS-R8100

Perfect for road cyclists looking for high performance, reliability, and flawless shifting, this cassette delivers an excellent balance of weight, durability, and precision, closely matching top-tier Shimano performance.