active bicycle bright safety jacket cheerful cycle cyclist energetic energy movement pedal power pedalling safety safety helmet sporty travel visibility appearance bicycles bike cable chain cycling gears grease oil outdoors pedal-power pedals pushbikes recreation reflectors road secure secured spokes stationary tire tires transport transportation travelling tyre tyres wheels activity appearances child childhood children damage damaged game handlebars kids leisure lone lonely move moving old pedal play ride riding three-wheeler toy tricycle trike wear wheel worn sepia black-and-white alongside crash-helmet environmentally-friendly exercise fit fitness helmet helmets on-the-move outing path pushbike river riverside safety-helmet sport women adults backpacks bikes crash-helmets cyclists pathway safety-helmets shade shadows sunlight sunshine track trees youth