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Old 01-21-2014, 02:29 PM   #7
DICK SPADARO
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Join Date: May 2010
Location: Altamont, NY
Posts: 1,004
Default Re: Tube or Tubeless Tires on '35 wire wheels

Tube less tires can be run on older wheels but are air pressure sensitive so you are gambling that you wont have an issue. All new tubeless tires and tubeless tire wheels work together as the wheel is constructed with a double hump safety bead lock rolled into the rim usually about 1/2" interior of the wheel flange. This serves the purpose of locking the inflated tire to the rim so that high cornering loads will not force the tire bead off the rim edge and deflate the tire. Old wire wheels do no have this hump provision as they are designed to be run with tubes. If you are using wire wheels and tubeless tires and running low air pressure to soften the ride you can experience a loss of air. Should you experience a panic response where you have to steer the car quickly for an emergency, this side loading and the tire adhesion can be enough to twist the bead off the uncontained rim and have the tire loose air pressure instantly. This leaves you in a worse predicament than you were in. Can you run tubless on an old rim, well yes, but is it done with a degree of safety that was intended? No. Adjustable spoke wires should never be run tubeless.
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