couple of healthy cyclists woman and man ride their bikes along the bike path at the tilikum crossing bridge in portland

absorbers action active activities activity advantage amateur bicycle bicycler bicycles bike biker calories city cross crossing cycle cycler cycling cyclist cyclists dedicated demanded dog drive ecofriendly enthusiasts equilibrium exercise fitness footpath healthy hobby hurry hybrid immune lane lifestyle loss motion moving muscles necessity northwest offroad outdoor outfit path pedal pedaling pedals people physical protection public race ride rides riding road safety shock sport stamina street testosterone together traffic training transport transportation urban vacation weight wheels women