Shimano Ultegra Di2 RD-R8150 – 12 Speed

The new Shimano Ultegra Di2 RD-R8150 rear derailleur sets a new standard for speed and precision. 58% faster shift response than the RD-R9150 model , it offers instant and reliable shifting in any conditions. Thanks to the compact Shadow RD design and compatibility with sprockets up to 34 teeth, it's the ideal choice for those seeking maximum performance on the road.

Main features

• Shifts faster than ever : up to 58% faster than the previous model.

• Built-in LED indicator : Shows battery status, pairing mode and adjustment.

• Wider gear range : Compatible with 12-speed cassettes up to 34T.

• Shadow RD technology : lower profile for greater aerodynamics and reduced risk of impacts.

• Full compatibility with the new Shimano Ultegra Di2 12-speed drivetrain.

Technical specifications

• Model: Shimano Ultegra RD-R8150 Di2

• Speed: 12

• Mounting type: direct (Shadow RD)

• Minimum sprocket: 30T

• Maximum sprocket: 34T

• Packaging: single