Krypton R Rigid WheelchairKrypton R Rigid Wheelchair The ultimate QUICKIE rigid wheelchair. We knew the next iteration demands something special. With the most advanced engineering, the most beautiful design and the finest materials, we created the ultimate QUICKIE. We created the Krypton R (also available with a foldable frame). The QUICKIE Krypton R is the lightest, fully adjustable rigid wheelchair. We didnt compromise. There was only one material we could use to achieve