February 27, 2007

Tubeless Wheels Invade AMA Supercross

Filed under: Biker Sports

AMA Supercross 

Anyone in the MX world have stressed about the inner tubes inside their spoked wheels and rims though most motorcycle riders have opted for one-piece wheels that allow a tubeless tire to be used. The reason spoked wheels are used is their ability to take on off-road gunning. The spoked design allows an amount of flex to aid in the absorption of impacts that would crack one-piece wheels. If the rider breaks a spoke or two he can go on riding.

Repairing the wheel is a cinch. You have to simply replace the broken spokes and re-truing the wheel, rather than replacing it entirely.

Of course, riders have preferred to be rolling on a wheel that has a spoked off-road design that is able to speed off without the use of an inner tube. That’s where the Italian wheel manufacturer Alpina comes in. They have been offering their “Tubeless A-system” wheels to European supermoto racers for awhile now. The company has partnered with former World MX champion Trampas Parker dole out their prods in the US of A. As of the last AMA Supercross race in Houston, three teams are running Alpina wheels: Butler Brothers MX, Star Racing, and Team Motoworld.com. The teams fitted their rims with tubed tires during the race although only Motoworld.com went tubeless.

How a Tubeless A-System works: the holes in the rim that the spokes would normally pass through are now threaded, and a small "terminal" is installed into each hole to prevent air from seeping out around the terminal. Each spoke is then connected to one of the terminals joining the rim and the hub.

The advantages of a standard spoke wheel resulted in a lighter rotating and a greater resistance to punctures. So there’s no problem when you’re hitting on the bumps unless if the tire did puncture, the tires would deflate and quickly lose its air pressure.

Catch this new, innovative product on OEM stores and retailers.

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