CHOICE MATTERS AND THE NEW TiLITE AERO Z DELIVERS. INNOVATION. Tru-Fit System: Reduces the number of holes in the frame, improving durability. Allows for easy adjustment and reduces set-up time. Adjustable Camber Mount incorporates TiLite's Tru-Fit system with up to 3.5" of Rear Seat Height adjustment. SpeedLoader Adjustable Front Caster Housing (patent pending) quickly and accurately adjusts Fork Angle in 1? Increments. SlipStream Single-Sided Fork with Integrated Bumper (patent pending). Performance 5-Spoke Soft Roll Wheel weighs just 1.6 ounces, shaving 40% from the weight of the original, 3-Spoke Wheel. TiShaft back release bar makes folding and unfolding the backrest easy from any angle.