Wheels Manufacturing SOLO-SPEED Cog - 20t Fits SOLO-SPLINE SOLO-XD kits Teal Model=Dura-Ace Track Cog Cutting edge hardness of approximately

Cutting edge hardness of approximately 54 HRC and extremely smooth movement for minimum operator fatigue

4 bolt sculpted SL faceplate

Made with a proprietary blend of 420 virgin stainless steel with high carbon content that provides better memory and friction

Steel lockring Range 11-30 Cogs 11-13-15-17-20-23-26-30T Cassette Body Type Shimano HG Drivetrain Speeds 8 Color Silver Defined Color Silver

5 Thread Length (mm) 20 Axle Diameter (mm) 12 Over Locknut (mm) 135/142 Overall Length (mm) 159

Wheels Manufacturing SOLO-SPEED Cog - 20t Fits SOLO-SPLINE SOLO-XD kits Teal Model=Dura-Ace Track Cog Cutting edge hardness of approximatelyWheels 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