PM-15ULS Fits on 1-1/4 Axle Clamp-on sprocket hub designed for our 4 Spoke Ultralite gears but will also work with our traditional 6 spoke gears. Comes with Tapered wheel studs, wheel nuts & a 3/16 x 1/4 Key is included. Black anodized. NOTE: All sprocket hubs now come standard w/ Tapered wheel studs and wheel nuts.
