Higher Performance,Lower Weight. Ki Mobility's flagship product, the Catalyst 5 has since redefined the ultra-lightweight folding market by raising the bar in weight, performance, durability and functionality. Weighing in at 23 lbs and constructed from ultra-lightweight 7000 series aluminum, the Catalyst 5 is arguably the best choice in high-performance folding wheelchairs. With our largest selection of options to help you customize and configure your chair, the Catalyst 5 makes daily life easier, no matter what the day brings.   Price is the starting price. An assessment would be needed before purchase.