Shimano Ultegra CS-R8000 – 11-Speed Cassette (11–28T)

The Shimano Ultegra CS-R8000 11–28T cassette delivers smooth, precise shifting and race-proven performance for demanding road cyclists. Designed to integrate perfectly with the Shimano Ultegra R8000 groupset, it combines lightweight construction, durability, and an optimized gear range for fast riding on both flat and rolling terrain.

Key Benefits

✔ Fast and precise shifting
Optimized sprocket design ensures smooth and responsive gear changes across the full cassette range.

✔ Ideal 11–28T gearing
A versatile setup offering tight gear spacing for efficient cadence control while still providing support on climbs.

✔ Lightweight yet durable
Constructed with a combination of steel sprockets and aluminum components for an excellent balance of strength and weight.

✔ Perfect Ultegra integration
Engineered to work seamlessly with Shimano Ultegra R8000 drivetrains for maximum efficiency and reliability.

✔ Race-proven technology
Built using Shimano’s advanced engineering philosophy trusted by competitive riders worldwide.

Specifications

• Model: CS-R8000
• Series: Shimano Ultegra R8000
• Speeds: 11-speed
• Gear ratio: 11–28T
• Teeth configuration:
  11-12-13-14-15-17-19-21-23-25-28
• Material: Steel sprockets, aluminum lockring
• Color: Silver
• Weight: approx. 251 g (manufacturer specification may vary slightly)

Compatibility

• Chains: Shimano HG-EV and HG-X11
• Drivetrains: Shimano 11-speed road systems
• Freehub: HG L (Shimano 11/12-speed Road)

Who is it for?

Perfect for riders who:

• want smooth and efficient 11-speed shifting
• prefer tighter gearing for maintaining cadence
• ride fast group rides, sportives, or races
• need reliable performance for training and competition

Why choose 11–28T?

The 11–28T configuration is one of the most popular choices for road cyclists because it provides:

• close gear steps for smoother cadence transitions
• enough climbing range for most road routes
• excellent efficiency for fast-paced riding

It’s a balanced setup ideal for both everyday training and competitive riding.

Choose the Shimano Ultegra CS-R8000 11–28T for lightweight performance, precise shifting, and the refined feel expected from the Ultegra series.