Product Details

For riders seeking the best of both worlds, the new 2x12 RX825 drivetrain is the choice. Utilizing a gravel-optimized 48/31 or 46/30 front chainring paired with an 11-34 or 11-36 cassette, this setup delivers an ultra-wide gear range so you can spin a comfortable cadence whether cruising the flats, smashing endless dirt road rollers, or tackling a massive backcountry climb.

The GRX RX825 Dual Control Lever feature three Di2 buttons – two buttons are located on the shift paddles while a third button is found on the inside of the hood. The RX825 levers also allow for accessory shift buttons, which can be placed on the tops, drops, or aero bars for additional shifting options.

• Wireless Di2 Connectivity
• Clean cockpit: Wireless connection enhances the aesthetic while providing lightning fast shifting
• Longer lasting. Uses two CR1632 batteries (battery life: 3.5 to 4 years)
• Three Di2 buttons per lever for E-TUBE PROJECT Cyclist app customization
• Compatible with satellite shifters
• Greater mixed-terrain control
• Gravel inspired lever and bracket ergonomics
• Anti-slip brake lever
• For 2 piston hydraulic disc brake caliper. Compatible models:
  • BR-RX810 (recommended), BR-R9270, BR-R9170, BR-R8170, BR-R8070, BR-R7170, BR-R7070, BR-RS785, BR-RX820-LE, BR-RX400, BR-4770
• Uses mineral oil
• Weight: 208g

About Shimano
Established in Japan in 1921, Shimano is the worlds largest bicycle component manufacturer. Whether it be drive systems, brakes, pedals or shoes, Shimano stands for reliable quality and performance. From Road & Gravel to Mountain, Touring & Urban use, Mechanical or Electric.