Oversized Derailleur Pulleys for Shimano Dura Ace R9100 - Full Ceramic - 12/14T deadstock further optimizing your cycling experience

further optimizing your cycling experience

It is equipped with high-quality stainless steel bearings

After this

our Shimano fixing bolt adjusts the side load on the bearings and holds the arm in place while you tighten up the crank cinch bolts to the proper torque spec

Oversized Derailleur Pulleys for Shimano Dura Ace R9100 - Full Ceramic - 12/14T deadstock further optimizing your cycling experienceWant to run that oversized pulley look, but without rebuilding your derailleur? These pulleys fit on your stock cage. Oversized pulleys fit the latest generation of Shimano derailleurs: Dura Ace R9100, Ultegra R8000 R8100 and 105 R7000. By using the standard cage on your Shimano derailleur, you will feel the benefits of reduced articulation in the chain, while retaining accurate shifting. Something that has been a negative side effect of many large