Joined: Dec 2004
Posts: 12,551
Likes: 798
From: Middle of da Mitten
Bikes: Trek 7500, RANS V-Rex, Optima Baron, Velokraft NoCom, M-5 Carbon Highracer, Catrike Speed
I've seen even some experienced cyclists use the QR lever as a wrench, which is wrong!!! Tighten the nut, then flip the lever over to tighten the last bit. It's a cam. Like Wanderer says, if pushing the lever down that last bit doesn't leave an impression in your palm, then open the lever, tighten the nut some more, then re-activate the lever.