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Tires

The mountain bike version of the Energy Return Wheel, being put to the test

Puncture-proof tires that incorporate a flexible internal matrix instead of air are nothing new, in and of themselves. In the past several years, we’ve seen prototypes from the likes of Michelin, Amerityre, Goodyear and Bridgestone. Colorado-based Britek Tire and Rubber has also been developing something similar, known as the Energy Return Wheel. While the ERW is intended mainly for cars, the company recently released a video showing a prototype set of the wheels in use – on a mountain bike.  Read More

The BioLogic PostPump 2.0 is a full floor pump integrated right into your bike

The BioLogic PostPump 2.0 lets you carry a full-power floor pump on any bike ride. The device combines a pump with a seat post for a portable, low profile solution. You'll never get stuck pumping your face red again.  Read More

Goodyear's AMT system keeps tires inflated to the optimum air pressure

In the days before full-service gas stations went the way of the dodo, in addition to filling ‘er up, the attendant would sometimes check the tire pressure. These days that task, along with actually pumping the fuel, has totally fallen back on the driver, but it’s a job that is easily overlooked. This leaves many people driving around on tires at less than optimal pressure resulting in reduced performance and fuel economy. For the past year, Goodyear has been developing its self-inflating tire technology that's designed to keep tires inflated at the optimum pressure and the company is now set to debut the technology in Germany.  Read More

@cme drives nails into the Hutchinson Serenity tires to demonstrate their durability

As a number of riders in this year’s Tour de France can attest, getting a flat after hitting a tack or nail on the road not only causes delays, but can also be downright dangerous. Last year, Hutchison released its airless Serenity tire that is 100 percent flat-proof, but cyclist Steve Boehmke found they were fairly difficult to install and only fitted a very specific sized rim. To overcome this, he’s built wheelsets with the tires pre-mounted that are designed to take the hassle out of getting them on your bike.  Read More

Goodyear has determined that soybean oil used in tire production could reduce the amount o...

It’s good for the environment when manufacturers can find ways of using less fossil fuels, while consumers – along with the environment – benefit when products last longer. Now, thanks to the humble soybean, both parties may be able to get what they need. Researchers from the Goodyear Tire and Rubber Company have discovered that soybean oil can help reduce the amount of petroleum used in tires, while also extending those tires’ tread life.  Read More

Bridgestone is exploring Russian dandelion as a source of rubber for tires

Taraxacum officinale, or dandelion, the herb used for tea and salads, is an excellent liver tonic and diuretic. But there’s another variety of dandelion known as Russian dandelion, aka Taraxacum kok-saghyz, which Bridgestone Americas is researching as raw material to make high-quality rubber for car tires. After preliminary tests, the company said it will continue to assess the material at its technical laboratories in Akron and Tokyo in coming months, and will follow that with larger-scale testing in 2014.  Read More

No more pressure gauges - Easy Fill Tire Alert uses your car's horn to let you know the ti...

If you're in the market for a new Nissan, you may just be able to throw away your tire gauge and erase terms like "cold pressure" from your mind. Nissan is launching what it calls the Easy Fill Tire Alert system, an intuitive feature that handles everything about tire pressure save for actually putting the air in.  Read More

ADAPTRAC is a frame-mounted compressed air system that allows mountain bikers to change th...

Like a lot of other factors involved in mountain biking, setting the air pressure of the tires is a matter of compromise. Keep them too soft, and you can’t go as fast as you’d like on smooth stretches of the trail – keep them too hard, and they’ll just bounce off of roots and rocks instead of gripping them. As it stands, most bikers go for a “Jack of all trades, master of none” setting, that allows for some traction and some speed. The folks at ADAPTRAC, however, apparently think that such a compromise shouldn’t have to be made. Their new system allows riders to inflate or deflate their tires as conditions dictate, while they’re riding.  Read More

Bridgestone's airless tires are made from entirely recyclable material

This week at the Tokyo Auto Show in Japan Bridgestone showed off its latest development – puncture-less air-free tires. The tires are still in the concept phase, but have been successfully tested on single-person vehicles in Japan traditionally used for elderly people. The 9-inch wheels have thermoplastic-resin spokes that radiate from the rim to the tread, curving to the left and right for maximum structural support. The solid design doesn't require air, and consequently can't be punctured - so, no more flat tires.  Read More

The PumpTire is a self-inflating bicycle tire, that uses the compressive effect of the tir...

While it’s nice to hear that Goodyear is developing self-inflating tires for cars, where does that leave bicycle riders? Still pumping, presumably? Well, not if they’re running PumpTires on their steed. As its name implies, the PumpTire is designed to automatically pump air into the inner tube, using the compressive effect of the tire meeting the ground as it turns. Once the tube reaches the desired pressure, the pumping action ceases.  Read More

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