CeramicSpeed OSPW X Pulley Wheel System Shimano GRX RX820 2x12 - Aluminum Pulley Carbon Cage BLK CheckoutSpec= Reb29/comp25 9-44t • Improved by 26%

9-44t  •  Improved by 26%

8 Color Blue Rise 40 Weight 330 Material Alloy Width 800 Defined Color Blue Back Sweep (deg) 8 Upsweep 5

Zippered side pockets do not impede leg movement and are ideal for phone keys CO2 or snacks

) making it a great choice for nightime on the bike path

CeramicSpeed OSPW X Pulley Wheel System Shimano GRX RX820 2x12 - Aluminum Pulley Carbon Cage BLK CheckoutSpec= Reb29/comp25 9-44t • Improved by 26%This OSPW X system for Shimano GRX RX820 2x12 speed rear derailleurs is built for gravel and cross disciplines and meets the needs for durability low friction and longevity. The four spring tension settings allow customised setup based on ride conditions and the handbuilt OSPW System offers custom molded carbon fiber cage for lightweight and durability. CeramicSpeed OSPW Systems reduces friction 35 40% over stock pulley configuration. Largest Cog 36