OSPW X GRX/RX 2X11

Engineered for ultimate drivetrain efficiency and unparalleled performance, the CeramicSpeed OSPW X GRX/RX 2x11 system optimizes power transfer for gravel and adventure riding.

The CeramicSpeed OSPW X GRX/RX 2x11 system is a high-performance upgrade meticulously designed to seamlessly integrate with your Shimano GRX and RX 11-speed 2x rear derailleurs. This Oversized Pulley Wheel System significantly reduces friction, delivering measurable watt savings and optimizing every pedal stroke across varied terrains. Featuring robust oversized jockey wheels and equipped with CeramicSpeed's ultra-low friction bearings, it ensures incredibly smooth shifting, extended component lifespan, and a tangible performance advantage for demanding gravel races, bikepacking trips, and mixed-surface adventures.

• Optimized for Shimano GRX and RX 11-speed 2x rear derailleurs.
• Significantly reduces drivetrain friction, leading to watt savings and increased efficiency.
• Features robust oversized jockey wheels for durability in gravel conditions.
• Equipped with ultra-low friction CeramicSpeed standard bearings.
• Enhances shifting precision and extends the lifespan of the pulley wheels.