CeramicSpeed OSPW X Pulley Wheel System Shimano GRX RX820 2x12 - Coated Races Aluminum Pulley Carbon Cage BLK Model=Original Anti Chafe Cream Double wall design

Double wall design

it offers exceptional stability and grip for building confidence and balance

Made by hand from a single length of 3mm stainless steel rod Bottle Type Standard Material Stainless Steel Color Polish Stainless Access Style Top Weight 34 Mount Type Bolt-On Defined Color Silver Has Tab Yes

Includes PHR Washers and Squorx Nipples Brake Compatibility Disc Only Rim Width (Internal) 22 Brake Track None Manufacturer Spec ERD (mm) 594 Valve Presta Color Black Weight 485 Wheel Size 700c Defined Color Black ISO Diameter 622 / Road / 29" Hub Drilling 28 Rim Material Alloy Tire Type Tubeless Ready

Tooth Count 12 Drivetrain Speeds 12

CeramicSpeed OSPW X Pulley Wheel System Shimano GRX RX820 2x12 - Coated Races Aluminum Pulley Carbon Cage BLK Model=Original Anti Chafe Cream Double wall designThis 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