C-BEAR REAR DERAILLEUR PULLEY KIT OCM FULL CERAMIC SHIMANO R9000 / R9150 / R8000 / R8150 / R7000

C-BEAR REAR DERAILLEUR PULLEY KIT OCM SHIMANO FULL CERAMIC

The pulley wheels in your rear derailleur are the fastest spinning bearings on your bike, so why not upgrade to ceramic bearings for great efficiency and power savings.

Fits the following:

• Dura-Ace R9100 / R9150 Di2
• Ultegra R8000 / R8050 Di2
• GRX
• 105 R7000

Still not 100% sure if this is the correct product for your needs, check out the handy chart from C-Bear here.