CeramicSpeed OSPW X Pulley Wheel System Shimano GRX/RX 2x11 - Coated Races Alloy Pulley Carbon Cage BLK Weight-336 Quick release design uses single

Quick release design uses single bolt split collar for clamping

both included

Designed with a Shimano Micro Spline body that features smaller and more widely distributed splines to limit cog damage on freehub

Matte finish has the look of alloy but won’t dent or bend and has a more durable finish

Full "Gel In" top cover absorbs shock reduces pressure points and memorizes your riding position

CeramicSpeed OSPW X Pulley Wheel System Shimano GRX/RX 2x11 - Coated Races Alloy Pulley Carbon Cage BLK Weight-336 Quick release design uses singleThe CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur through its extremely low friction bearings and unique overall design. Features 13 tooth upper and 19 tooth lower Cerakote coated aluminum pulley wheels with Grade 3 Silicon Nitride balls Robust cage crafted from polyamide and carbon fiber for durability and light weight Coated bearing races increase bearing service life by increasing