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) Atlas Cargo Coaster Brake Strap Bolt Kit for Shimano Only Neccesary for proper shimming of coaster brake arm to Atlas Cargo Trike rear unitUPC/EAN/GTIN: 072774679386