Shimano GRX RD-RX817 Di2 Rear Derailleur

Shimano GRX RD-RX817 Di2 Rear Derailleur Info

The Shimano GRX Di2 groupset is Shimano’s premier electronic gravel group for 11-speed shifting. This rear derailleur is compatible with cassettes that have a 42T max low sprocket. The GRX rear derailleur has an integrated chain stabilizer that can be turned on or off depending on the roughness of the terrain. This leads to quieter shifting and less chain slap as your bike vibrates. The RX817 Di2 Rear Derailleur takes some qualities from their mountain bike components. It has a low profile and is compact and stays tight against the frame to avoid damage in the event of a crash. The Shimano GRX RX817 Di2 Rear Derailleur is a smooth and reliable component that will enhance any off-road ride.

SPECIFICATIONS

• Weight: 322g
• Compatibility: single ring crankset; 11-speed
• Sprockets: Top: 11T; Low: Max 42T/Min 40T; Total Capacity: 31T
• Cassette Size: 11-40t to 11-42t