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
Remove the tube, partially inflate it and hold it underwater to find the leak. Once you've found it, tie a knot there to block off the hole. Fixed!