Devon Freewheelers Emergency Voluntary Service (also known as the Devon Blood Bikes) are a team of fully-trained volunteer advanced Riders and Drivers, Call Handlers and Fundraisers who are dedicated to providing a service that is available around-the-clock, 24 hours a day, seven days a week, supporting the NHS - for free - in delivering essential whole blood, blood and other medical samples, medication, patient notes, medical equipment, tissue samples and donor breast milk to hospitals, air ambulances and other NHS establishments - and even to patients' homes - throughout Devon.