Rim Blow of customer acceptance led to the discontinuation of the rim blow steering wheels after only a few years. It is possible to rebuild a vintage rim blow steering wheel. Rim Blow Rim Blow was a type of steering wheel with no suspended horn ring or horn pad on the spokes that was featured on some automobiles built in the U.S. from 1969 to 1974. The inside of the rim could be depressed anywhere on its circumference to sound the horn. The rim blow wheel was available in place of the traditional button-type or suspended ring used to activate the vehicle's
Bicycle wheel hubs of front wheels are generally 100 mm wide fork spacing, road wheels with freehubs generally have a 130 mm wide rear wheel hub. Mountain bikes have adopted a 135 mm rear hub width, which allows clearance to mount a brake disc on the hub or to decrease the wheel dish for a more durable wheel. Freeride and downhill are available with both 142 and 150 mm spacing. The bearings allow the hub shell (and the rest of the wheel parts) to rotate freely about the axle. Most bicycle hubs use steel or ceramic ball bearings. Some hubs use serviceable