CeramicSpeed OSPW X Pulley Wheel System Shimano GRX RX820 2x12 - Coated Races Aluminum Pulley Carbon Cage BLK CheckoutTitle=RockShox Fork Decal Kit - ZEB Ultimate Flight Attendant TPI 67Color BlackWeight 515Defined Color

TPI 67Color BlackWeight 515Defined Color BlackISO Width (mm) 45ISO Diameter 622 / Road / 29"Tire Intended Use GravelTire Diameter 700cTire Bead FoldingLabeled Size 700 x 45Tire Type Tubeless Ready Clincher

Quality paper for all-round use

In Trail mode

Aluminum pull lever

CeramicSpeed OSPW X Pulley Wheel System Shimano GRX RX820 2x12 - Coated Races Aluminum Pulley Carbon Cage BLK CheckoutTitle=RockShox Fork Decal Kit - ZEB Ultimate Flight Attendant TPI 67Color BlackWeight 515Defined ColorThis 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