Wheels Manufacturing SOLO-SPEED Cog - 21t Fits SOLO-SPLINE SOLO-XD kits Teal ModelNumber=K1516 Pad securely fastened to tailgate

Pad securely fastened to tailgate with sturdy nylon straps

low profile flat top with multi-density injection molded foam thats firm in the rear for proper sit bone support and more power while pedaling

Tooth Count 20 Defined Color Blue

}Shimano Dura-Ace RD-9070 Rear Derailleur B-Axle Assembly

Replacement parts available for rebuild

Wheels Manufacturing SOLO-SPEED Cog - 21t Fits SOLO-SPLINE SOLO-XD kits Teal ModelNumber=K1516 Pad securely fastened to tailgateWheels Manufacturing SOLO XD Cog 21t Teal. Wheels 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