I was thinking about 45mm fenders. A bike with no fenders is useless for me.. it always rains here and I really hate riding with a wet behind
He doesn't have any measurements from me yet, but yes that may be an issue. Although I got the feeling is more surprised in general that I want 38C tires instead of something smaller. I also want a mount for a rim dynamo and he said battery lights are easier to maintain, so he obviously has a different bike in his mind