The Quickie Nitrum is one of the lightest adjustable aluminium rigid wheelchairs on the market, combining cutting-edge engineering with bespoke fit and performance. Whether you’re commuting, navigating everyday life, or pushing your personal best, the Nitrum delivers efficiency, control, and style. With a frame weight starting from just 4.9kg and precision-tuned for propulsion, this chair is ideal for experienced users who value responsiveness and easy transfers — all without compromising strength or stability. Key Features Ultralight 7020 aluminium frame with patented oval tubing Rigid monocoque design with built-in shock absorption Transport weight from just 4.9kg (frame only) Patented caster link for improved handling and control Adjustable rear seat height and centre of gravity Tension-adjustable EXO back upholstery High-efficiency carbon fibre or aluminium axle tubes Precision footplate angle and height adjustments Folding backrest with angle-adjustable options Wide range of camber, caster fork, and colour choices Crash tested and suitable for vehicle tie-down What’s included? Based on the official Sunrise Medical order form, the base configuration includes: Quickie Nitrum rigid frame Lightweight aluminium axle tube EXO tension-adjustable backrest upholstery Aluminium open footplate Aluminium handrims High-pressure rear wheels Compact wheel locks Adjustable camber (0°, 2°, 4°) Standard caster forks and castors Push handles: not included as standard (optional upgrade) Full setup and handover by Active Mobility Additional Information Specification Details Seat Width From 320mm to 500mm Seat Depth From 340mm to 500mm Seat Height Front: 430–540mmRear: 370–500mm Knee to Heel Length From 280mm to 510mm Camber 0°, 2°, 4°, or 6° Backrest Angle -15° to +18° (angle-adjustable option) Backrest Height From 250mm to 450mm Total Width Seat width + approx. 180mm Total Width Folded Not applicable (rigid frame) Total Length Approx. 800–950mm Max Safe Slope Up to 7° Max User Weight 125kg Total Weight From 7.5kg Transport Weight From 4.9kg (frame only) Crash Tested Yes Why choose the Quickie Nitrum from Active Mobility? The Nitrum is all about performance without compromise — ultra-lightweight, yet stable and responsive. At Active Mobility, we don’t just hand over a wheelchair — we make sure it’s tailored exactly to you. You’ll get expert setup, a free demonstration, and ongoing support to keep you moving with confidence. Call: 01789 339730 to arrange your FREE in-store or home demonstration. Delivery All Active Wheelchairs and prescriptive electric wheelchairs will be handed over and checked that everything is set up for you. We will go through the functions of the chair with you.