Mounted tires for 30 years without major problems. These tires however are a total nightmare to mount.
Pre-Stretching, heating up, Talcum powder....still unmountable on DT Swiss rims. Gave up after hours of trying.
All 4 tires went straight in the garbage. Even if I could have mounted them at home, on the trail in cold weather there is no way you can fix a flat.
Im issuing a rare DO NOT BUY. I have changed many tires before but These are the first I that could not get mounted (Zipp 303 rims). After an hour of struggling to get one tire on I gave up, just way too tight. Figured if one flats on the trailroad I could never change.