Originally Posted by
friday1970
I just rode a 200k Brevet on an old '83 Trek 620. I had the Ultra Sport II tires (27x 1.25 @ 60psi) and they rolled great and were very comfortable for the whole 130 mile ride. We even had an 8 mile crushed limestone section, and these tires went over it with no problem.
However, it seems continental has discontinued the Ultra Sport II's and now have the Ultra Sport III tires out. Hoping they are nearly the same, if not better.
This is a pretty cool site for tire comparison. I know I like the new Conti Ultra Sport 3s.
https://www.bicyclerollingresistance...sport-iii-2020