The Shimano GRX DI2 ST-RX825 Left Brake/Shift Lever with BR-RX820 Caliper is a high-performance, 12-speed component designed for gravel and mixed-terrain riding. Featuring a gravel-optimized body shape and advanced wireless technology, this lever provides seamless integration with flared handlebars and offers a range of innovative features for enhanced performance and convenience.

Key Features:
  • Gravel-Optimized Body Shape: Rounder in shape, smoother handlebar-to-hood transfer, and larger surface area help eliminate pressure points for a more comfortable ride
  • Wireless Technology: Front of the bike wireless gravel-specific cockpit with long-lasting CR1632 batteries (3-4 year life) and smaller diameter wires for streamlined build process
  • Central Internal Battery: Simplifies charging and remains secure over the roughest roads, trails, or whatever less travel path you choose
  • Front Shift Next Function: Ability to assign the brand new FRONT SHIFT NEXT function to any of the three shift buttons for customizable ride settings
  • E-TUBE PROJECT Cyclist App: Customize your ride with the E-TUBE PROJECT Cyclist app for seamless integration with Shimano's satellite accessory shift buttons (sold separately)
  • GRX RX820 2-Piston Caliper: Features 10% wider pad clearance to decrease brake noise and includes finned L05A pads with a resin compound for enhanced heat dissipation
  • One-Way Maintenance-Friendly Bleeding Process: Quick and easy prevention of air bubbles in the hydraulic system with a one-way maintenance-friendly bleeding process
  • Adjustable Reach: Yes, allowing for customization to fit individual riders
  • Double or Triple: Double, compatible with Shimano Road Di2 drivetrains
  • Rotor Included: No, sold separately
  • Pad Compound: Resin, providing enhanced heat dissipation
  • Adjustable Contact Point: No, fixed contact point for optimal performance
  • Front Der/Shifter Compatibility: Shimano Road Di2, ensuring seamless integration with Shimano drivetrains
  • Brake Lever Actuation: Hydraulic, providing precise control and modulation
  • Drivetrain Speeds: 12, offering a wide range of gears for varied terrain and riding styles
  • Color: Black, providing a sleek and modern appearance
  • J-Kit Technology: For some frames with internal routing, the J-Kit version may be easier to install, since everything is pre-bled

Who is it for?
The Shimano GRX DI2 ST-RX825 Left Brake/Shift Lever with BR-RX820 Caliper is designed for gravel and mixed-terrain riders who value advanced wireless technology, seamless integration with flared handlebars, and innovative features for enhanced performance and convenience.
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