TiLite Aero Z Adjustable Lightweight Wheelchair. The TiLite Aero Z Adjustable Lightweight Wheelchair from Permobil is fully adjustable and features a minimalist mono-tube frame. The TiFit Aero Z wheelchair frame is made to measure and brings unparalleled performance and function, featuring Precision Lock Technology. The lightweight titanium wheelchair absorbs vibration, is unbreakable* and has the highest strength to weight ratio of any metal! The mono tubing gives the TiLite Aero Z strength and durability, the frames shape makes it great for transporting and easy placement on a car seat and features curved, ovalized caster arms. Available in a variety of colours and a range of additional accessories can be added. *through normal use The image of the Aero Z wheelchair is for illustration purposes only.