‎['14-gauge steel tubing', 'Plastic', 'Foam']

STEP-THROUGH DESIGN – Featuring heavy-duty construction 14-gauge steel tubing with a powder coated finish, the step-through design allows maximum mobility during training for quick mounting and dismounting that is created easier for the knees and back. Please note: This item requires assembly EIGHT RESISTANCE LEVELS – This stationary bike uses a magnetic resistance mechanism with 8 levels of resistance. The tension knobs control the difficulty to simulate riding on different terrains and customize your workout according to fitness level EASY-TO-READ COMPUTER SCREEN – The ultra-functional LCD computer screen acts as a odometer and has a sharp panel display that shows time, speed, distance, and calories burned in extra-large numbers for great readability.