The casings are made of polypropylene and glass-filled nylon. The transmission is made of a combination of acetyl, glass-filled nylon and aluminum, while the input levers, pedal and stabilizer arms consist of a glass-filled nylon. All plastic materials used are thermoplastics and can be recycled. The FreeCharge contains a non-spill rechargeable Lead Acid battery, which needs to be recycled according to regulations stipulated by your local authority. Please consult your user manual or contact the Freeplay Customer Support Center for more advice.