It depends on wheels and tires combination.
It was a b?tch to put on 23c hutchinson top speed on the older campy wheels, and pretty easy
to put on continental 20c on mavic
Originally Posted by Bob Gabele
Basically, they are a real pain to change. I used to ride the 20's but after too many flats and too much effort in changing them, I have gone to the 23's which are a relative breeze to get on the rim.