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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 original Shimano cage. No extra spending to purchase another fitting cage.
COMPATIBILITY
105 11 and 12 speed - R7000/R7100
ULTEGRA 11 and 12 speed - R8000/R8050/R8100
DURA ACE 11 speed - R9100/R9150
GRX 11 and 12 speed
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Please note that our specifications may be impacted by running substitution changes, we highly recommend confirming the specifications of our products with your local retailer at the time of sale if purchasing in-store. *Recommended Retail Prices are subject to change without notice and may vary from store to store depending on freighting and assembly costs.
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