21T Front Drive Cog 22T Rear Transfer Cog 24T Axle Drive Cog ------------------------------------ Cable stop (69321) required when installing on Sun Atlas Industrial Cargo Trike (67658) Coaster Brake 3 Speed Sturmey Archer Coaster Brake Trike Conversion Kit Requires additional cable guide (69321) when installing on Sun Atlas Industrial Cargo Trike (67658) 1.77 0.75 100% Direct Drive 1.33