Shimano GRX Di2 ST-RX815 STI Shifter w/ Br-RX810 Calliper

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  • Description
  • The SHIMANO GRX DI2 DUAL CONTROL LEVER delivers light and responsive shifting for mixed-terrain riding. The ergonomic shifter design improves comfort and the textured, anti-slip brake lever increases control on bumpy terrain. The Di2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting.

    With a low-profile Flat Mount design, the SHIMANO GRX BR-RX810 hydraulic disc brakes provide greater control for mixed terrain riding.

    SHIMANO GRX - DI2 - Hydraulic Disc Brake - DUAL CONTROL LEVER - 11-speed


    • Raised hood head prevents hand misalignment and slippage
    • Recessed finger notch prevents upward slipping
    • Anti-slip texture and brake lever coating
    • Improved braking input performance
    • Higher brake lever axis and curved brake lever


    • Improved grip and confidence on choppy surfaces and descents
    • Higher braking efficiency reduces fatigue on long rides

    SHIMANO GRX - Flat Mount - Hydraulic Disc Brake - Brake Caliper


    • Excellent heat dissipation
    • Flat mount and anti-mud specification
    • Convenient tool access
    • Simple wheel replacement
    • Easy and clean bleeding system


    • Never hesitate to tackle rough surfaces
    • Simple set up and maintenance
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