Shimano Ultegra RD-RX800-GS Rear Derailleur - 11 Speed, Medium Cage, Black, With Clutch

By: Shimano

Out of stock

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  • The Ultegra RX Rear Derailleur brings Shimanos' chain stabilizing technology road cycling drivetrains, delivering smooth and precise shifting over technical terrain. It expands road bike capabilities, inspiring confidence on any surface and drives the evolution of road cycling to include greater elements of adventure. The Ultegra RX Rear Derailleur is available in 11-speed Mechanical or Di2 compatible options.
    • Designed for use on 2x11-speed mechanical systems
    • Shimano Shadow RD+ chain stabilizer mechanism
    • Includes clutch with On/Off switch
    • Compatible with current road Dual Control Levers
    • Direct Mount Compatible
    Item Specifications
    Cage Length Medium
    Chain Wrap Capacity (teeth) 39
    Color Black
    Drivetrain Speeds 11
    Largest Cog 34
    Rear Der/Shifter Compatibility Shimano Road
    Rear Derailleur Mount Type 10x1 Standard
    Rear Derailleur Mount Type Shimano Rear Direct Mount
    Weight 248
    Shimano Ultegra RD-RX800 Rear Derailleur Rear Derailleur UPC: 689228871106
  • United States Shipping:

    Everything in the entire store ships for free to the USA, it's that simple, no catch. The free service will likely be USPS or FedEx depending on the size of the package. Please see our USA Shipping Options page for more info. Everything ships pretty darn fast since we have a shop/shipment center on the West and East Coast.

    International Shipping:

    International shipping is available on 99% of our products. Shipping cost can be calculated on the cart page or during checkout. We are experts at international shipping so please buy with confidence. We have great prices on Usps Priority & Express services, all services will include a tracking number. Please see our International Shipping Options page for more info.


    We offer a 45 day return period on all new items. We want our customers to be happy and returns to be easy. Please see our Return Policy FAQ's page for more info.

Sku: RD4300


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