Shimano Ultegra CS-R8100 Cassette 12-SPEED


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  • The Shimano Ultegra CS-R8100 12-speed Cassette - Consistently seamless and efficient shifting.

    The CS-R8100 is the first cassette from Shimano's Ultegra road bike series to have 12 sprockets. It features Hyperglide+ technology, which was first tested in the MTB sector and ensures seamless shifting even under heavy load. You can even change gears safely and instantly when pedalling or sprinting. The gradations have been selected to ensure high gear efficiency in all situations as well as optimal acceleration. The enlarged teeth of the pinions also contribute to this. A special plus point is its compatibility: CS-R8100 not only fits on the new 12-speed freehub body, but can also be used with conventional Shimano road freehub bodies. All sprockets are made of steel, with two lightweight aluminium sprocket carriers.


    Application: Road
    Gearing: 12-speed
    Gradation: 11-30, 11-34
    Sprocket Material: Steel
    Freehub Compatibility: Shimano Road, Shimano Road 12-speed


    Series: Ultegra R8100
    Spider: 2 / aluminium
    Recommended Chain: HG 12-speed


    Shift/Brake Lever: ST-R8150, ST-R8170, ST-R7170, ST-R8060, ST-R9250, ST-R9270, ST-R9160, ST-R9180
    Rear Derailleur: RD-R8150, RD-R9250, RD-R7150 (11-34 T only)
    Chain: CN-M8100, CN-M9100, CN-M7100, CN-M6100


    - Hyperglide+ technology for fast, seamless shifting with maximum pedal load
    - Sophisticated 12-speed gradation and larger teeth for first-class efficiency and optimum acceleration in all situations
    - Compatible with 12-speed and 11-speed road freehub bodies
    - Nickel plated sprockets
    - Sprocket carrier anodised and lacquered
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