Joined: Dec 2004
Posts: 12,538
Likes: 791
From: Middle of da Mitten
Bikes: Trek 7500, RANS V-Rex, Optima Baron, Velokraft NoCom, M-5 Carbon Highracer, Catrike Speed
I don't understand the question. I almost always replace both tires at once. The exception is the rare instance where one gets destroyed prematurely, in which case I'd just replace the one that died directly.