Shimano Ultegra CS-R8000 Cassette - 11 Speed |11-30t

Shimano Ultegra CS-R8000 Cassette - 11 Speed |11-30t Shimano

Shimano Ultegra CS-R8000 Cassette - 11 Speed |11-30t

Shimano Ultegra CS-R8000 Cassette - 11 Speed |11-30t

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What Makes the Shimano Ultegra CS-R8000 11-30t the Racer's Cassette?

The Shimano Ultegra CS-R8000 in 11-30t is the close-ratio cassette choice for road racers and fast training riders, delivering tightly spaced gear steps that let you hold optimal cadence across rolling terrain without large jumps between cogs. Built on Shimano's Hyperglide tooth profiling with specially positioned shift ramps, the CS-R8000 achieves the fast, predictable indexed shifting that defines the R8000 groupset at its best. The 11t small cog supports high-speed sprinting while the 30t large cog covers moderate climbing without moving into a wide-range cassette configuration.

Compatible with all Shimano 11-speed road drivetrains including Ultegra R8000, 105 R7000, Dura-Ace R9100, and Di2 R8070. Fits standard HG freehub bodies. Requires a Shimano 11-speed Hyperglide chain such as CN-HG901-11, CN-HG701-11, or CN-HG601-11.

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Specifications

  • Model: CS-R8000
  • Speed: 11-speed
  • Range: 11-30t
  • Technology: Hyperglide
  • Freehub: Shimano HG standard
  • Groupset match: Ultegra R8000
  • Compatible with: All Shimano 11-speed road drivetrains

FAQ

Is the CS-R8000 11-30t better for racing or training?

The 11-30t range is best suited to riders on flat and rolling terrain who want close gear steps for cadence control during racing or fast group rides. Riders on hillier terrain or lower fitness levels typically benefit from an 11-32t or wider ratio.

Is the CS-R8000 compatible with Dura-Ace R9100 and 105 R7000 drivetrains?

Yes. The CS-R8000 is compatible with all Shimano 11-speed road groupsets including Dura-Ace R9100, Ultegra R8000, 105 R7000, and their Di2 counterparts.

What chain is recommended for the CS-R8000?

Shimano recommends the HG-X11 series chain (CN-HG901-11, CN-HG701-11, or CN-HG601-11) for use with the CS-R8000.

Best For

Road racers and fast training riders on Shimano 11-speed drivetrains who want close-ratio gearing for flat and rolling terrain with tight cadence control.

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