CeramicSpeed OSPW X Pulley Wheel System Shimano GRX/RX 2x11 - Coated Races Alloy Pulley Carbon Cage BLK CheckoutSpec= X-Race Optimal size-specific surface area Color

Optimal size-specific surface area Color Green Pedal Type Platform Weight 348 Pedal Spindle 9/16" Pedal Body Material Composite Spindle Material Chromoly Defined Color Green Size Large

Perfect for road

0mm Weight 170g Color Black/Silver

optimized for use with Box Four Narrow/Wide chainrings

CeramicSpeed OSPW X Pulley Wheel System Shimano GRX/RX 2x11 - Coated Races Alloy Pulley Carbon Cage BLK CheckoutSpec= X-Race Optimal size-specific surface area ColorThe 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