Hey Stoy, good question about the conversion. I live in Victoria BC but do alot of touring into the Pacific Northwest. I am an old school map in the tank bag kind of guy. So my answer to having MPH available on my Gen II model was to add a low tech,hi accuracy bicycle speedo. I leave it on MPH and it records my total mileage for the riding season, gives me top speed, day's distance and of course speed reading in MPH. Now you could just do the same and leave it on the KPH setting. No expensive piece of tech (GPS) to be taking on and off, or being concerned about leaving on the bike, and it is very accurate and cheap. I have the SIGMA SPORT and has been on the bike for five years, replaced the battery once so far.