Assessment and demonstration strongly advised before purchasing since this is a bespoke prescriptive wheelchair built to your requirements. To arrange simply give us a call on 01572 755204. Q1450 High Performance, High Efficiency. The Quantum® 1450 front-wheel drive bariatric power base features innovative design that provides exceptional outdoor performance while delivering outstanding tight space maneuverability. The 1450 accepts a complete range of rehab seating and electronics options. Features High-Traction Drive Tires Knobbly drive tires for weight distribution and traction Notes 1. Due to manufacturing tolerances and continual product improvement, this specification can be subject to a variance of + or - 3 %. 2. Specification varies with user weight, terrain, battery type, battery condition and tire pressure. 3. Battery weight may vary based on manufacturer. Tested in accordance with ANSI/RESNA, WC Vol. 2, Section 4 and ISO 7176-4 standards. Results derived from theoretical calculations based on battery specifications and drive system performance. Testing conducted at maximum weight capacities. This specification can be subject to a variance of +10%, -5%. The information contained herein is correct at the time of publication; we reserve the right to alter specifications without prior notice.