i'm looking at a new helmet, i'm sick of the cords and my visor breaking off when i'm hitting drifts and fall off. as of right now i've narrowed it down to the 509 and the kilm f4 i'd be getting the 509 sinister goggles probably. i like to be able to take my helmet off with ease also. in your opinion which is the better helmet i do ride in -30 weather and still wanna stay warm. also with the 509 goggles do you need the Anti-Fog Goggle Fan Module or will the spray stuff do the job?
