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

The Shimano Deore M6000 rear derailleur is designed for aggressive trail riding and uses SHIMANO SHADOW RD PLUS technology for improved chain stability and retention

25 adapter for Kid Trailers and Cargo Trailers are designed specifically to fit your Rad Power bike or Mahle/EBIKEMOTION Equipped E-Bikes

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

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