Shimano Derailleur GRX RD-RX812 11-speed OEM

The SHIMANO GRX derailleur ensures quiet, secure, and precise shifting on mixed terrain with its integrated chain stabilizer. For rides on smooth surfaces, the chain stabilizer can be turned off using the ON/OFF switch on the derailleur. The RD-RX812 derailleur is compatible with MTB cassettes with a maximum of 42 teeth on the largest sprocket.

• Rear gears: 11-speed
• Model: RD-RX812 / GRX 11-speed
• Recommended chain: HG-EV and HG-X 11-speed
• Total capacity: 31 teeth
• Max. largest sprocket: 42 teeth
• Min. largest sprocket: 40 teeth
• Max. smallest sprocket: 11 teeth
• Compatible with current DUAL-CONTROL shift/brake lever for road bikes
• Shimano Shadow RD+
• Product packaging: OEM
• Weight: 267 g