Modular, double-tiered ProPark bicycle lockers can be moved and reconfigured as needed. Each unit holds 2 bikes. Store up to 4 bikes, helmets, and gear in a space that measures 38 ins. wide, 72 ins. deep, and slightly more than 8 ft. high. Spring-loaded door holdbacks keep upper doors open while user stores and retrieves bike. Lock mechanisms are located at bottom of upper locker for easy reach. Lockers are impact-resistant and will not rust or corrode. Reinforced panels wont sag, dent, or fade in the sun.