Rear Derailleur Shimano Ultegra Di2 RD-R8150 12-speed 03014562

Shimano Ultegra RD-R8150 sets a new standard for electronic shifting in high-end road bikes. With up to 58% faster shifting compared to the previous RD-R9150 model, this derailleur delivers lightning-fast and precise gear changes. The integrated wireless module, LED indicator, and charging port simplify setup and maintenance. The compact Shadow RD design protects against impacts and ensures quiet and stable operation. Thanks to the consistent cage length and compatibility with cassettes up to 34T, the RD-R8150 offers maximum efficiency and flexibility for modern road cyclists.

Technical specifications:

Model: RD-R8150

Series: Ultegra Di2

Speeds: 12

Mount: Direct Mount

Maximum sprocket: 34T

Minimum sprocket: 28T

Technologies: Shadow RD, Di2 Wireless

Built-in features: LED indicator, charging port, adjustment button