Method and device for operating a bicycle having a sprocket and pedals connected to the sprocket for rotating the sprocket during downstrokes and upstrokes of the pedals. The method and device include elastic members worn on the legs such that the elastic members will stretch on the downstroke of the...http://www.google.es/patents/US6368256?utm_source=gb-gplus-sharePatente US6368256 - Method and device for assisting the leg muscles during cycling
Method and device for assisting the leg muscles during cycling
