strongly built male cyclist travels around the city on a mountain bike on a sunny day

immune cyclist bike biker bicycle cycle crossing urban ecofriendly cycler transport pedal bicycler active drive activity sport exercise training action cycling elderly overweight rides physical moving people road traffic ride public calories pedaling outfit fitness outdoor cyclists bicycles sportswear vacation northwest city healthy lifestyle necessity street amateur wheels path activities race stamina testosterone equilibrium motion enthusiasts riding hurry advantage takes hobby electric pedals cross dedicated shock absorbers weight loss muscles transportation hybrid offroad man male travels mountain day life