CeramicSpeed OSPW X Pulley Wheel System Shimano GRX RX820 2x12 - Coated Races Aluminum Pulley Carbon Cage BLK MFPN=BX-BL130DIPR-BK Plastic hub guard included (but

Plastic hub guard included (but optional to use) Rear Axle 14mm Threaded x 110mm Rim Width (Internal) 32 Cassette Body Type Single Cog Driver Valve Schrader Color Hard Black Wheel Size 20" Defined Color Black ISO Diameter 406 / 20" BMX Tire Type Clincher Hub/Brake Compatibility Rim Brake Handlebar Direction LHD

Handlebar Width 420mm Primary Color Black Drop 127mm Clip-On Bar Comp

25 PSI 65 TPI 33 Tire Bead Wire Tire Diameter 14" Tire Intended Use Mountain Tire Type Clincher Tire Size 14 X 2

2-piece floating design allows the laser cut 410 stainless steel outer to expand separately from the CNC machined center to handle high temperatures without warping

Resin top shell

CeramicSpeed OSPW X Pulley Wheel System Shimano GRX RX820 2x12 - Coated Races Aluminum Pulley Carbon Cage BLK MFPN=BX-BL130DIPR-BK Plastic hub guard included (butThis 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