The SL-7100A-12 aluminum wheelchair from the light-weight classic series boasts a flip-backward armrest that is made of polyurethane and swingray footrest that is detachable. Its front castors measure 8" which are fully rubberized. On the other hand, its rear wheels are made of polyurethane and are 12 inches in size. This wheelchair is available in A and J sizes which are 18" and 16" respectively. It has an estimated net weight of 12.5kg and can accommodated a maximum load weighing up to 100kg.