Motor tube Battery rack with charger Twist handle Handle elongator Controller : Twisting handle A pair of hook plates and a joystick bracket are fixed to the wheelchair. The wheelchair can be folded as normal. Total weight Battery racks Model Lead 10Ah 24v NiMH 8Ah 24v NiMH 13,5 Ah 24v Lifespan 200 cycles (1 to 3 years) 600 cycles (2 to 7 years) 600 cycles (2 to 7 years) *dependent on conditions such as terrain, temperature and weight of the user. Adaptable wheelchairs Installation possible on virtually all chairs from 25 cm seat width (9 _ inches). Maximum weight advised Approx 100 kg (16 stone) for optimum performance, but can go up to 120 kg (19 stone). Climb Speed 20% (12°) for a person weighing 70kg (11 stone). Adjustable between 0-10 km/h (0-6mph). We recommend Marathon Plus from Schwalbe as they offer excellent traction with our system and have a very thick layer of puncture resistant material. Solid tyres are not compatible. Front castors We recommend castors no smaller than 6’’ in diameter.