Originally Posted by
koenbro
...
Yeah this is not a simple call. If I could buy a sleek and light Italian frame with rim brakes and room for 42 mm tires, would do it in a heartbeat. Couldn't find any, alas.
Perhaps if you are looking for a complete frame, add titanium to your list.
My Lynskey Backroad frame is disc, not rim brake. That is my first and so far my only disc brake bike. I built it up with a LHT rim brake fork that I already owned. Thus, it is rim brake in front, disc rear. I think the frame will take 45mm tires, but I have fenders on mine, mine is now limited to 37mm tires because of the fenders. I am very happy with that bike.
It however is a touring bike, with touring strength wheels, etc., so even though it has a titanium frame, it is not that light.