Wheels Manufacturing SOLO-SPEED Cog - 18t Fits SOLO-SPLINE SOLO-XD kits Red Model=Solo-XD XD/XDR Single Speed Conversion Kit Designed for Wolf Tooth rear

Designed for Wolf Tooth rear axles with a female threaded head-end

but it is pretty close and quite an amazing boot

Long-lasting tire with a rounded profile and low rolling resistance

To help with this

The Pro kit features a flat top cap design which conceals the stem bolt for a custom finished look

Wheels Manufacturing SOLO-SPEED Cog - 18t Fits SOLO-SPLINE SOLO-XD kits Red Model=Solo-XD XD/XDR Single Speed Conversion Kit Designed for Wolf Tooth rearCogs are designed with narrow wide alternating tooth pattern allowing for superior chain retention Cogs are optimized for use with Solo XD Carrier system only TECH SPECS teeth 18t color red