Originally Posted by
noglider
I have these tires (I think 23mm) on my Lemond Titanium bike....... They were hard to install, and while I expect them to stretch, I don't know how much or when.
If you are referring to the Corsa G+, I can tell you they don't stretch enough to not need the tool. I started carrying mine around with other flat repair items in my small backpack. It is light enough but a bit bulky. The advantage is the leverage you get from the length.