Howdy from Tucson:
Used Maxxis Detonnator 700x23; have 3,100 miles on front tire of tandem; rear tire suffered 1/4" glass cut at 2,000 miles, replaced it; but there was quite a bit of rubber left on it. Nice riding tire. Will use them again.
The Categorie is a notch upscale of what we used.
Rudy & Kay, Zona tandem