You’ll find all the replacement parts for your bike at Escapa. The Shimano Ultegra Derailleur Roller Kit (RD-R8150) is essential for restoring your drivetrain to its former glory.
Shimano Ultegra RD-R8150 Derailleur Bearings.
Technical specifications:
Material: plastic, metal.
Rear derailleur compatibility: Shimano Ultegra R8100 series.
Chain/drivetrain: 12-speed.
Number of teeth: 11.
Bearing: Sealed industrial ball bearing.
Weight: 22g.