Cycling Ceramic OSPW Race 4-Spoke Shimano Ultegra/Dura ace jockey wheel system

The CyclingCeramic Oversized Pulleys have been specially designed to offer an exceptional improvement in the performance and efficiency of your Shimano Ultegra & Dura Ace derailleur.

Manufactured from high-quality materials and equipped with advanced technology, these pulleys are the perfect choice for demanding cyclists looking to unleash the full potential of their Shimano Ultegra & Dura Ace transmission.

Features:

- 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.

- 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.

- 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 DI2 derailleurs, providing you with a tailor-made solution to enhance the performance of your transmission.

Specifications:

- Pulley Wheels:CyclingCeramic 14-tooth upper and 19-tooth lower.

- Pulley Wheel Material:Aluminium machined in France.

- Cage Material:Carbon UD and Aluminium.

- Bearings:HandMade ceramic bearings.

- Compatibility:Shimano Ultegra (8100/50) & Dura-Ace (9200/50) - 12s & Shimano Ultegra (8000-50) & Dura-Ace (9100-50) - SS & GS - Oversized Derailleur Cage - 14-19T.

- Cassette Compatibility:Fits 11-12 speed 11 to 34-tooth cassettes.

- Spring Tension Settings:2 spring.

- Speed:11 & 12 speed.

- Weight :110 grams.

Includes:- Complete OSPW System for:Shimano Ultegra (8100/50) & Dura-Ace (9200/50) - 12s & Shimano Ultegra (8000-50) & Dura-Ace (9100-50) - SS & GS - Oversized Derailleur Cage - 14-19T.

- CyclingCeramic Oil for Pulley Wheel Bearings, 15 ml.

dropper bottle.

- Mounting Instruction.

- Stickers sheet.