Wheels Manufacturing SOLO-SPEED Cog - 19t Fits SOLO-SPLINE SOLO-XD kits Purple MFPN=1-LED-2P-V1537 and high-quality SKF sealed bearings

and high-quality SKF sealed bearings

INTEGRATED BACKSTOP-

Ultra-high-molecular-weight polyethylene (UHMWPE) material is lightweight

and 3 x 50mm repair plugs

If you are looking for the black skin with rounded tails

Wheels Manufacturing SOLO-SPEED Cog - 19t Fits SOLO-SPLINE SOLO-XD kits Purple MFPN=1-LED-2P-V1537 and high-quality SKF sealed bearingsCogs are designed with narrow wide alternating tooth pattern allowing for superior chain retention Cogs are optimized for use with Solo XD Carrier system only Will not work with 13spd Campagnolo chains or 12spd Shimano HG+ chains TECH SPECS model SOLO XD description SOLO XD replacement cog teeth 19 chain 9 12sp color purple