TiLite Aero X Lightweight Folding Wheelchair. The TiLite Aero X Lightweight Folding Wheelchair from Permobil incorporates Tilite\'s sleek design style with an Aluminium frame for a high level of comfort and performance. The easy to fold, compact box frame is made from lightweight Aluminium and has a modular design to offer you limitless customisation. The highly adjustable axle plates allow you to simply change the centre of gravity as and when required. The Areo X is available with a fixed front or swing away leg rests. The image of the Aero X wheelchair is for illustration purposes only.