Shimano Ultegra RD-R8150 Rear Derailleur DI2 12-SPEED

$469.95$629.95
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  • The Shimano Ultegra RD-R8150 12-speed rear derailleur not only provides the fastest and most precise shifting performance on the market, but is also more flexible than ever before. Available in one cage length, the rear derailleur is now compatible with 11-34T and also 11-30T cassettes. The compact rear derailleur contains the wireless unit, the charger and the mode button - and has a lot going for it!
    Great speed means great responsibility. That's why, faced with the task of making the new ULTEGRA groupset even faster, Shimano decided to take a holistic and 100% performance-focused approach. Shimano's new 12-speed road groupset delivers unparalleled control and comfort anytime, anywhere - whether you're competing in an amateur race, chasing your personal best, or out for a social ride. That is "Science of Speed". And it's what sets SHIMANO apart from the rest.


    FEATURES

    - FULLY CUSTOMISABLE
    - The drive can be adapted to the rider's preferences via the E-TUBE app
    - Among other things, the shift speed can be set, a fully or semi-synchronous shift mode can be selected and the programme buttons on the gear lever can be assigned specific functions

    - WHEN EVERY SECOND COUNTS
    - Our exclusive wireless protocol increases shifting speed without sacrificing any of the shifting precision and reliability SHIMANO is known for
    - Fast, jerk-free shifting for responsive acceleration at any speed
    - Low profile rear derailleur design
    - SHIMANO SHADOW RD
    - Race endurance for less damage in crush
    - Maintains compact and smooth appearance

    SPECIFICATIONS

    Use: Road
    Groupset: Ultegra Di2 R8250
    Model: RD-R8150
    Mount type: Direct Mount
    Gear rear: 12-speed
    Compatible chain: CN-M8100 HG 12-speed
    Max. teeth large sprocket: 34T
    Min. teeth large sprocket: 30T
    Max. teeth small sprocket: 11T
    Min. teeth small sprocket: 11T
    Max. front difference: 16T
    Total capacity: 39T
    Compatible electric wire: EW-SD300
    Firmware update by E-tube Project: Yes
    E-tube port (pcs): 1
    E-tube connector (pcs): 0
    Di2 Wireless-Chip: Yes
    Material: Aluminum, CFRP

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