Another risk is anaerobic bacteria inside the tires if you don't bleed and refill them. Sounds like the pure Nitrogen is a setup for that to happen on occasion.

Another risk is anaerobic bacteria inside the tires if you don't bleed and refill them. Sounds like the pure Nitrogen is a setup for that to happen on occasion. So main tip is skip the extras and bleed and refill your tires twice a year.