Joined: Feb 2012
Posts: 19,381
Likes: 5,528
From: Rochester, NY
Bikes: Stewart S&S coupled sport tourer, Stewart Sunday light, Stewart Commuting, Stewart Touring, Co Motion Tandem, Stewart 3-Spd, Stewart Track, Fuji Finest, Mongoose Tomac ATB, GT Bravado ATB, JCP Folder, Stewart 650B ATB
Might just be the break down of the thin coating over the casing cords because of the tire's flex/squishing down under the rider's weight. Is this "wear" even and around the whole tire on both sides? Andy.