Wheels Manufacturing SOLO-SPEED Cog - 18t Fits SOLO-SPLINE SOLO-XD kits Green Dimensions-24x5x20cm 3M Thinsulate™ heat-retaining insulation delivers

3M Thinsulate™ heat-retaining insulation delivers increased warmth in damp and cold conditions for all-day comfort and warmth

and 12-speed chains based on tooth profile selection

Moisture transport fabrics for comfort

Tanpan 10 allows you to use a 10 speed road shifter with a 10 speed mountain derailleur

Standard Chainline 49mm for 28-34t

Wheels Manufacturing SOLO-SPEED Cog - 18t Fits SOLO-SPLINE SOLO-XD kits Green Dimensions-24x5x20cm 3M Thinsulate™ heat-retaining insulation deliversCogs 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 green