The Firefly is an electric handcycle go twice as fast and twice as far as a power wheelchair. Rio Mobility was founded in 2002 with the mission of developing unique products that increase the mobility and health options of wheelchair users. They are based in San Francisco, California but the company ship the products worldwide. Note: If your wheelchair is not listed on the compatibility chart you can send by e-mail the model or include a photo of the front of your wheelchair and the staff will assist you. The videos below shows you better how the device works. For more information, do not hesitate to visit the link below.