Engineered for ultimate drivetrain efficiency and unparalleled performance, integrating an oversized pulley wheel system with superior ceramic bearings.

The CeramicSpeed OSPW Cage for Shimano 9100/8000 represents a transformative upgrade for your 11-speed electronic or mechanical drivetrain. Designed to seamlessly integrate with Shimano’s high-performance Dura-Ace R9100 and Ultegra R8000 rear derailleurs, this Oversized Pulley Wheel System significantly reduces friction in the drivetrain, delivering measurable watt savings and optimizing power transfer. Featuring lightweight oversized jockey wheels (typically aluminum or composite) and equipped with CeramicSpeed’s ultra-low friction bearings, it ensures incredibly smooth shifting, extended component lifespan, and a tangible performance advantage for competitive road cycling, time trials, and demanding endurance rides.

• Fully compatible with Shimano Dura-Ace R9100 and Ultegra R8000 11-speed rear derailleurs.
• Significantly reduces drivetrain friction, leading to watt savings and increased efficiency.
• Features oversized jockey wheels for optimized chain articulation and reduced drag.
• Equipped with ultra-low friction CeramicSpeed standard bearings for superior smoothness and durability.
• Enhances shifting precision and extends the lifespan of the pulley wheels.