Wheels Manufacturing SOLO-SPEED Cog - 21t Fits SOLO-SPLINE SOLO-XD kits Red CheckoutSpec= Jungle Hydraulic Bottom Out kicks in

Hydraulic Bottom Out kicks in to restrict the flow of oil within the last 20% of travel

91% Polyester (recycled) 9% Elastane

The design of the Force crankarm is a wonder of carbon

More at home on the street than the velodrome the Steamroller takes you just about anywhere

Combine with a speed shield for protection from wax particles

Wheels Manufacturing SOLO-SPEED Cog - 21t Fits SOLO-SPLINE SOLO-XD kits Red CheckoutSpec= Jungle Hydraulic Bottom Out kicks inWheels 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