Wheels Manufacturing SOLO-SPEED Cog - 21t Fits SOLO-SPLINE SOLO-XD kits Green new2017 EC44/40 upper/lower lower stack 12mm

EC44/40 upper/lower lower stack 12mm color blue weight 53g

With a wide seating area thats ideal for upright riding people who desire maximum cushioning and ride infrequently will appreciate the comfort and practical ergonomics

stiff backing plates

VARIABLE RESISTANCE

2-bolt faceplate for softer look

Wheels Manufacturing SOLO-SPEED Cog - 21t Fits SOLO-SPLINE SOLO-XD kits Green new2017 EC44/40 upper/lower lower stack 12mmWheels 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