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    • Shimano GRX 810 Dropper Release Disc Brake

  • Shimano GRX 810 Dropper Release Disc Brake

    Ready to thrive in the toughest terrain, the GRX 810 Dropper Release Disc Brake brings you fine speed control and outstanding stopping power in all riding conditions. The perfect addition to your multi terrain gravel bike, Shimano has also added mechanical dropper seatpost control. This means you can easily change your saddle height for a climb or descent without changing your hand position, which is key for staying in control as you’re riding at your limits.

    Whether you're tackling a challenging downhill descent or exploring new terrain types, you'll benefit from its integrated cable pulling system with an 8.3mm max cable stroke delivering instant saddle height control. Enjoy the freedom of being able to easily raise and lower your dropper based on the terrain conditions with minimal effort from this sleek model.

    Heat Resistant Disc Brake

    Packed with some of the finest Shimano technologies around such as reach adjustment, you can fine-tune its feel to suit your hand size, type of riding and individual preferences. Taking braking a step further, its Servo Wave technology makes the initial pad travel fast, so little lever movement is needed to bring the pads into contact with the rotor. This increases your stopping power output rapidly and gives you improved control. Easy to set up and maintain, this disc brake's caliper delivers excellent heat dissipation for greater multi-surface braking control. Its Ice Tech technology allows you to benefit from its high rigidity with an optimised, lightweight construction.


    • Shifter Type: Single lever for adjustable seat post
    • Front or Rear: Front brake with left-hand lever (UK spec)
    • Single or Pair: Single
    • Speed: N/A (brake only with dropper post control)
    • Use: Gravel, Road 
    • Oil Type: Mineral oil
    • Mount: Flat mount
    • Reach Adjust: Tooled
    • Handlebar Clamp Band Inner Diameter: 23.8-24.2mm
    • Anti-slip ribbed surface texture and brake lever coating 
    • Easy and clean bleeding system
    • Simple wheel replacement
    • Ice Technologies
    • Convenient tool access
    • Manufacturer's Part Number: ST-RX810-LA
    • Weight: 263g


    • Servo Wave Action: When you pull a Servo Wave brake lever, initial pad travel is fast, so little lever movement is needed to bring the pads into contact with the rotor. The power multiplication factor then increases rapidly at the pad-to-rim contact so more of the lever stroke is used to apply greater braking power with improved control
    • Reach Adjust: Brake lever is equipped with a reach adjust mechanism. The distance from the handlebar grip to lever can be adjusted to suit any hand size, type of riding and individual rider preferences
    • Dual Control Lever: Ergonomic innovation is probably more critical to the higher standard performance than the added gearing. The shift internals borrows the robustness from Shimano's MTB technology and are so smooth and effortless that one finger shifts front and rear are possible. Indeed, shifting is the ultimate act of Shimano Total Integration, and simply has to be experienced to be understood
    • Ice Technologies: XTR, SAINT, DEORE XT, SLX, ZEE, DEORE LX calipers are bundled with an Ice Technology piston to achieve optimised lightweight, high rigidity and heat dissipation. Oversized pistons transfer hydraulic power directly to the brake pad, and ceramic material is used to avoid heat transfer for constant stable braking, providing efficient stopping power transfer without loss
    • One Way Bleeding: One Way Bleeding was developed for quick and easy prevention of air in our hydraulic system. We have streamlined the oil route throughout the system to prevent air bubbles from being captured in the system. One-way oil routing plus a funnel tool with mineral oil provides an easy and clean bleeding system

    Click HERE to check out the Shimano Brake Reference Guides.

    A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).

    Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.


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