Compatible for all Shimano 11-speed rear derailleurs, including Shimano 9100-series rear derailleurs.
CeramicSpeed Pulley Wheels are designed to guide the chain in its ideal line, performing smooth and precise shifting. Delivering lower friction and a 3-5 longer lifetime, compared to other high-end stock pulley wheels, the CeramicSpeed Pulley Wheels benefit you with less drag on your energy.
Upgrade your rear derailleur with CeramicSpeed Pulley Wheels for reduced friction and extended lifetime. The pulley wheels are the fastest spinning bearings on your bike, making an upgrade to CeramicSpeed an effective way to save energy. CeramicSpeed Pulley Wheels can be used for all cycling disciplines, and will last longer than any standard pulley wheels. The CeramicSpeed Pulley Wheels for rear derailleurs are specially designed to reduce friction to an absolute minimum, virtually eliminating the drag associated with standard pulley wheels.
If you are not sure about which pulley wheels fits your derailleur, please contact us.
For more information about why CeramicSpeed are the best bearings available on the market, visit this link.