Reusable Sports Helmet: Giro’s Combyn Is Constructed To Absorb Repeated Impacts.

Giro Combyn Sports HelmetUnplanned “one-impact” obsolescence no more! Giro’s Combyn snow-sports helmet is one of those “why didn’t somebody think of that sooner” ideas. Unlike most sports helmets that are only considered safe pre-impact, the snug fitting Giro Combyn has been designed to receive multiple impacts and always bounce back. How does it work? From Outside Online:

“The Combyn uses a patent-pending, impact-absorbing liner made with Vinyl Nitrile (VN) foam. The liner features two distinct layers of foam that allow the helmet to manage both high- and low-energy impacts across a wide range of temperatures. Unlike traditional expanded polystyrene (EPS) or expanded polypropylene (EPP) helmet liners, Vinyl Nitrile is soft and flexible. Layered with a proprietary shell material originally developed for football and hockey helmets, the result is a shell that delivers a comfortable and flexible fit with unmatched durability.”

The only way Giro could improve on their helmet technology is by expanding their lineup to a bicycle version. I’ve had the same bike helmet for 10+ years and it still uncomfortably works but it’s worn to the point that I’m basically wearing a styrofoam cooler on my head. Giro – please make a bicycle Combyn soon! [Gizmodo]


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The Solar-Powered SolarCross Turns The Electric Mountain Bike Idea To An “11”

SolarCross PV and Battery Powered Mountain BikeTerry Hope is the inventor and builder of the SolarCross solar-powered mountain bike and he did it for around $700 (Specialized FSR bike frame included). The SolarCross avoids fossil fuels altogether and can be powered by a pair of solar charged batteries or it can travel up to 2 mph using just the power generated by the front mounted solar panels.

You have to check out Mr. Hope’s website for more technical information on the SolarCross. It may not be where electric bikes are headed but the SolarCross mountain bike is definitely original. [Earthtechling]

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Bikenomics Series On Grist.org

One blogger in Dallas, Tex. ran the numbers and found that the $500 he would spend on six tanks of $4 gas would quickly subsidize the purchase of a sweet city bike.
Bikenomics on Grist.org


Grist.org is a great website that matches the top news stories with a little WTF. They currently have a series by Elly Blue on the economics of biking, or Bikenomics, as they encourage two wheels over four. Their latest in the series is How the bicycle economy can help us beat the energy crisis. I have to come clean and first admit that I’ve been slacking on the biking and as always, I hope to make the transition back. As I kick my own ass for not riding more, I still ask other people whether they could bike to work and the response I usually get revolves around convenience. It’s inconvenient to bike to work when part of your job is maintaining an acceptable level of dress and hygiene – especially after a 10 mile rain drenched commute on a bike. Some companies have showers but again, it’s not as convenient as driving.

Check out the series on Grist.org and see if biking could make more economic sense for you now.

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