Joined: Dec 2004
Posts: 1,509
Likes: 0
From: Quahog, RI
Bikes: Giant TCR Comps, Cdale R5000, Klein Q-Pro, Litespeed Siena, Piasano 105, Redline Conquest Pro, Voodoo Bizango, Fuji Aloha
For a road bike it doesn't matter, but mtb tires are made with a tread designed to rotate in a specific direction.