Shimano Ultegra RD-RX805 Di2 Rear Derailleur

The Shimano Ultegra RX RD-RX805-GS Di2 Rear Derailleur brings mountain bike technology to the road with a clutch equipped electronic rear derailleur for smooth shifting on rough roads. Due to the integrated Shadow RD+ Technology with its race-proven, low profile design, the derailleur is more compact and fits closer to the frame, ensuring less damage in a crash.

Features

• Weight: 280 grams
• Chain Stabilizer mechanism adopted from MTB design
• ON/OFF switch
• Compatible with current road Di2 electronic DUAL CONTROL LEVER
• Maximum front difference: 16T
• Total capacity: 39T
• Low sprocket: Maximum 34T/Minimum 28T
• Top sprocket: Maximum 12T/Minimum 11T