Permobil TiLite TR Active WheelchairThe Permobil Tilite TR Active Wheelchair is built using Titanium that provides a smother rider, won't break, and has the highest strength to weight ratio. The Tilite is a rigid frame which the lightest and highest performing chairs because they are built from the fewest possible parts and have the fewest moving parts. The Ergonomic Advantage provides an additional unique bend in the frame creating an ergonomic seat slope sitting you lower in the chair