RD-RX812 GRX REAR DERAILLEUR (1x11)

Product Information

The Shimano GRX RD-RX812 rear derailleur is your reliable partner for tackling diverse terrain, purpose-built for 1x11 gravel drivetrains. It brings mountain bike-proven technology to drop-bar adventures, ensuring quiet and precise shifting even when the road gets rough. This derailleur is ideal for mixed-surface riding, gravel racing, and bikepacking, providing consistent chain tension to prevent chain slap and dropped chains.

Features

• SHADOW RD+ technology with an integrated chain stabilizer mechanism
• Adjustable on/off clutch switch for chain tension management
• Gravel-tuned clutch tension for optimal performance on varied surfaces
• Low-profile design minimizes impact risk
• Compatible with Shimano 11-speed road dual control levers
• Machined aluminum cage plates for stiffness and durability
• Fluorine-coated link bushings for smooth operation
• Bearing-equipped guide and tension pulleys

Specs

• Gearing: 1x11-speed
• Max low sprocket: 42T
• Min low sprocket: 40T
• Max top sprocket: 11T
• Min top sprocket: 11T
• Total capacity: 31T
• Material: Alloy construction
• Weight: 267g
• Mount: Direct attachment (conventional) / Direct mount compatible
• Compatible chain: HG-EV 11-speed, HG-X11