Ceramicspeed OSPW System Coated Pulley Wheels for Shimano 9100 & 8000 Jockey Wheels

Experience unparalleled drivetrain efficiency with the Ceramicspeed OSPW System Coated Shimano 9100 & 8000 Pulley Wheels. Specifically engineered for Shimano 9100/9150 and 8000 SS/8050 SS rear derailleurs, this upgraded oversized pulley wheel system integrates a stop tower for simplified installation, ensuring a seamless upgrade from standard setups. Designed to reduce friction and boost performance, the system delivers significant power savings of at least 2.4 watts, helping you ride smoother and faster with minimal effort.

Crafted with precision, the OSPW system features a 13-tooth upper and 19-tooth lower oversized aluminum pulley wheels equipped with coated CeramicSpeed bearings. This combination optimizes the rear derailleur’s function, enhancing gear shifts and drivetrain longevity. Trusted by top-tier cycling teams and professional triathletes worldwide, it provides exceptional durability with a lifespan 3 to 5 times longer than conventional pulleys. Compatible with cassettes up to 32 teeth, it suits both Dura Ace and Ultegra groupsets, making it a versatile choice for serious cyclists seeking performance upgrades.

Included in the package is the complete pulley wheel system along with CeramicSpeed Bearing Oil in a handy 15ml dropper bottle, giving you everything needed for immediate installation and maintenance. Please note, the OSPW system is not compatible with Ultegra 8000-GS or 8050-GS medium cage derailleurs, nor with clutch-equipped Ultegra RD RX800 & RX805 models. For these, alternative CeramicSpeed options are available to ensure an optimal fit and performance.

What It’s Good For

• Maximizing drivetrain efficiency by reducing friction and power loss
• Enhancing durability with pulley wheels that last 3–5 times longer than standard options
• Improving shifting precision and smoothness for an elevated riding experience
• Compatible with Shimano Dura Ace and Ultegra derailleurs up to 32-tooth cassette
• Easy installation thanks to the integrated stop tower design
• Ideal for cyclists seeking competitive edge through reduced energy expenditure

What It’s NOT Good For

• Use with Ultegra 8000-GS or 8050-GS (medium cage) derailleurs
• Compatibility with clutch-equipped Ultegra RD RX800 & RX805 derailleurs
• Riders who require pulley wheels designed for Shimano RX800/805 models
• Applications outside Shimano 9100/9150 and 8000 SS/8050 SS series

Frequently Asked Questions

Is the OSPW system compatible with my Shimano Ultegra 8000-GS derailleur?
The OSPW System for Shimano 9100/9150 and 8000 SS/8050 SS is not compatible with Ultegra 8000-GS or 8050-GS (medium cage) derailleurs. For these models, CeramicSpeed offers specific pulley wheel systems designed for compatibility and performance.

What kind of maintenance does the OSPW system require?
The system comes with CeramicSpeed Bearing Oil in a 15ml dropper bottle to keep the bearings lubricated and performing optimally. Regular application helps maintain low friction and extends the lifespan of the pulley wheels.

Will this system fit cassettes larger than 32 teeth?
The Shimano 9100/9150 and 8000 SS/8050 SS OSPW system is designed to be compatible with cassettes up to 32 teeth. Using larger cassettes may affect shifting performance and is not recommended.

How much power can I expect to save with the OSPW system?
Independent tests have shown energy savings starting from 2.4 watts compared to standard Shimano pulley systems, with overall power savings reaching up to 30%-60% or more in certain conditions.