SHIMANO GRX, with its gravel specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world. It isn’t a reworked set of road components. It represents a ground up look at how cyclists want to explore their world. SHIMANO GRX helps you eliminate excuses, instead urging you to try that rough sidetrack or ride that little bit longer. It offers you the option to Explore Beyond.

Features:

Shifter

• 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

Caliper

• Excellent heat dissipation
• Convenient tool access
• Simple wheel replacement
• Easy and clean bleeding system
• Greater multi-surface brake control
• Simple set up and maintenance

Specifications:

• Model Number: ST-RX815-R
• Series: SHIMANO GRX DI2
• Shift lever specifications:
  • Shifter type DUAL CONTROL LEVER,
  • Remote switch,
  • E-tube connector (pcs): 0
  • E-tube port (pcs): 2
  • Multiple input: Hold
  • Firmware update by E-TUBE Project
  • Port for remote sprinter shifter (pcs): 0
  • Shift Lever Specifications: Multiple input Hold
  • Compatible RD Type: Road 11-speed
  • Rear speeds: 11
  • Front Speeds: 2
• Brake lever specifications
  • Brake fluid: SHIMANO Mineral Oil
  • Free stroke adjust
  • Recommended brake caliper: BR-RX810
  • Servo wave mechanism
  • Brake hose (Kit): SM-BH90-JK-SSR
  • Funnel bleeding
  • Hose joint: Straight
  • Reach adjust Tool
  • Tooled Reach Adjust: Yes
  • Clamp band Inner diameter: 23.8-24.2