CeramicSpeed OSPW Pulley Wheel System Shimano Dura-Ace 9250/Ultegra 8150 - Coated Races 3D Printed Ti Pulley Carbon Cage

We’re a mission-driven bike shop based in Colorado. Every sale helps refurbish and donate bikes to those in need through Bicycles for Humanity Colorado.

Each item has been professionally inspected, thoroughly cleaned, carefully refurbished, and is ready for immediate use.

CeramicSpeed OSPW Pulley Wheel System Shimano Dura-Ace 9250/Ultegra 8150 - Coated Races 3D Printed Ti Pulley Carbon Cage

When every watt counts, you need drivetrain efficiency you can depend on. The CeramicSpeed OSPW system reduces drag in the rear derailleur, delivering quicker response and a smoother cadence across climbs and sprints. With precision 3D-printed titanium pulleys and a carbon cage, this setup offers durable performance that lasts ride after ride.

Who is this for?

Riders seeking measurable gains in efficiency and shift smoothness on a 12-speed Ultegra 8100/Dura-Ace 9250 platform. Ideal for cyclists upgrading a high-end Shimano groupset, racers looking for a marginal advantage, or riders who want long-term reliability and reduced wear on the drivetrain.

Each item is professionally packed and shipped next day. Select in-store pick-up at checkout and visit us if you are local!