Pulley Wheel for Ultegra Di2 RD-R8150 12-speed Rear Derailleur

Derailleur pulleys exclusively for the SHIMANO Ultegra Di2 RD-R8150 12-speed rear derailleur. Set consisting of tensioning and guide pulley with 11 teeth each.

SHIMANO part:
Y3J198010

Details:
Replacement jockey wheels for low-friction and smooth drivetrain operation

Compatibility:
SHIMANO Ultegra Di2 RD-R8150 12-speed rear derailleur

In the box:
1 pulley wheel set for Ultegra Di2 RD-R8150 12-speed rear derailleur