CeramicSpeed OSPW X Pulley Wheel System Shimano GRX RX820 2x12 - Coated Races Aluminum Pulley Carbon Cage BLK MFPN=BX-BL130DIPR-BK 2-piece floating design allows the

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

This incredible tool reconditions scrapers to a near-perfect edge in seconds

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

Fully sealed - Inboard full contact lip-seal

CeramicSpeed OSPW X Pulley Wheel System Shimano GRX RX820 2x12 - Coated Races Aluminum Pulley Carbon Cage BLK MFPN=BX-BL130DIPR-BK 2-piece floating design allows theThis 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