dirty muddy boots of a motocross rider on a muddy off-road motorcycle during an off-road race on a wet dirt track during a

dirt road mud motorcycle boots engine motocross bike offroad rider race competition closeup extreme sport motorbike adventure riding gear protective green track speed motor wheel tire muddy sports motorcyclist motorcycling racing adrenaline power action shot biker dangerous drive dirty mechanic moto ktm off-road wet endurance race