The Petra helps the ‘RaceRunner’ distribute their weight in a way that allows freedom of movement for their legs and feet. The bike also has very little rolling resistance and so users can achieve self-propulsion with a minimum of ground contact. (This is a great motivation for trying harder, stretching further for the reward of speed.)

The bike is predominantly suitable for people with cerebral palsy but is also suitable for people with muscular dystrophy, Parkinson’s disease and other disabilities that affect mobility and balance. The low centre of gravity and frame design offers good stability and poise whilst running or walking. (The saddle unit counteracts lateral sway and can also be used as a seat when resting.)

Price: from £1,328 (excluding VAT)