Problem Solvers Axle Nut 10 x 1mm with Rotating Washer

Problem Solvers Axle Nut 10 x 1mm with Rotating Washer. Replacement nuts for bolt-on axles with integrated rotating washers. Rotating washers help to keep your wheel securely in your dropouts while you tighten it down. These Problem Solvers Axle Nuts are a must have item if you have a bolt-on wheel!