CyclingCeramic OSPW Race 4-Spoke for Shimano Ultegra & Dura Ace Mavi

1. Aluminum Pulleys and Carbon Plates: CyclingCeramic Oversized Pulleys are equipped with precision-machined aluminum pulleys, combined with a lightweight and durable carbon plate at the back and an aluminium plate at the front. This material combination ensures a significant weight reduction while providing superior strength, perfectly suited for road requirements. Their sleek and aerodynamic design enhances the overall aerodynamics of your transmission, helping you gain speed and efficiency.
2. Ceramic Bearings Technology: The ceramic bearings in CyclingCeramic Oversized Pulleys are specifically tailored for Shimano Ultegra & Dura Ace DI2 derailleurs. With these high-quality bearings, you benefit from a notable reduction in friction during gear changes, resulting in smoother transmission and noticeable energy savings. Enjoy a more efficient pedaling experience, optimizing your performance during climbs and sprints.
3. Tested by Frictions Facts: CyclingCeramic Pulleys bearings derailleurs have undergone rigorous testing by Frictions Facts, an independent laboratory specializing in analyzing friction and transmission efficiency in cycling. The test results have confirmed that CyclingCeramic’s ceramic bearings are among the fastest in the market, with a measured friction of only 0.033w. This exceptional performance ensures ultra-efficient transmission, allowing you to gain speed and precision during your rides.

Compatibility: CyclingCeramic Oversized Pulleys are perfectly compatible with Shimano Ultegra & Dura Ace derailleurs, providing you with a tailor-made solution to enhance the performance of your transmission. Give your Shimano Ultegra & Dura Ace DI2 derailleurs a competitive edge with CyclingCeramic Oversized Pulleys. Experience smooth transmission, improved responsiveness, and increased durability during your bike rides. Choose excellence and push your limits with CyclingCeramic! Compatible with Shimano Ultegra & Dura Ace.