Shimano Ultegra Di2 RD-RX805 Rear Derailleur

KEY FEATURES:

Shimano Shadow RD+ chain stabilizer mechanism

On/Off switch

Compatible with current road Dual Control Levers

Direct Mount Compatible

Designed for use on 2x11-speed Di2 electronic system

Rear Derailleur Mount Type: Shimano Rear Direct Mount , 10x1 Standard

Drivetrain Speeds: 11

Cage Length: Medium

Chain Wrap Capacity (teeth): 39 teeth

Largest Cog: 34

Color: Black

Weight: 280 g

Rear Der/Shifter Compatibility: Shimano Road Di2