Wheels Manufacturing SOLO-SPEED Cog - 21t Fits SOLO-SPLINE SOLO-XD kits Blue Model-CT11465AA Great for track racing

Great for track racing

5" External Adjustments Coil Preload Defined Color Black Positive Spring Air Stanchion Diameter 32 Steerer Tube Length (mm) 255

Made of Aluminum and Plastic materials

Wider clearance for modern tires and wheelsets (up to 28c)

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Wheels Manufacturing SOLO-SPEED Cog - 21t Fits SOLO-SPLINE SOLO-XD kits Blue Model-CT11465AA Great for track racingWheels Mfg. SOLO XD and SOLO SPLINE Single Speed cogs are constructed with high end 7075 aluminum and designed with narrow to wide alternating tooth pattern allowing for superior chain retention. Cogs are optimized for use with Wheels Mfg. SOLO XD XD XDR and SOLO SPLINE Single Speed Conversion kit carrier systems only. Crafted with high end 7075 aluminum for light weight and extreme durability Cogs are optimized for use with Wheels Mfg. SOLO XD XD XDR