Scooter and Moped Performance

The performance team at City Scooters is in Chicago an industry leader. One of our owners is a mechanical engineer and airplane mechanic. We run one of the finest MadAss 125 and moped performance upgrade shops in the country.


City Scooters in Chicago specializes in performance upgrades for the Sachs MadAss 125 and Tomos mopeds. We offer the best parts and kits available as well as fabricate some very special pieces on site. If you are feeling the need for speed, look no further. Our shop specializes in big bore engine installations, racing filters, exhaust modifications, sprocket sizing, and performance tuning.


We use only the finest parts, tires and lubricants available to make sure your riding safe when you’re running fast. If you have a Sachs MadAss, Tomos moped, or a scooter you would like to upgrade, please call our shop or visit our contact us page.

City Scooters won the Best Custom Scooter award the 2009 Mods vs Rockers!
Airsal 70cc Big Bore kit for Tomos Mopeds at City Scooters Airsal 70 cc Big Bore Kit for Tomos Scooters
Uni High Flow Airfilters at City Scooters Uni High Flow Air Filters
Half Ass Pipe at City Scooters The "Half Ass" pipe available only at City Scooters. In house modification not only shortens the factory pipe, but opens it up, resulting in a powerful performance boost.
Tomos Moped Sprockets at City Scooters City Scooters has sprockets in stock to complete your performance upgrades for all Tomos and Sachs MadAss bikes.