Joined: Dec 2004
Posts: 12,560
Likes: 799
From: Middle of da Mitten
Bikes: Trek 7500, RANS V-Rex, Optima Baron, Velokraft NoCom, M-5 Carbon Highracer, Bacchetta Quattro, Catrike Speed
Not serious -- yet. But if you ride gravel with those tires a lot, eventually you'll get a cut or two that damages the cord. Then it will be more serious.