Friday, 2 November 2012
Airless Bicycle Tires By Brian Russell
Dubbed “Energy Return Wheels,” new prototype airless wheels from Colorado-based Britek Rubber and Tire
could mean the end for bike pumps. An internal rubber layer is
stretched taut over adjustable rods, surrounded by a series of elastic
cushions (where air would typically be) and a rubber tread along the
exterior. 29-inch carbon fiber rims and open sides reduce the weight of
the wheels, while the inside rubber layer allows potential energy to be
stored within the wheels themselves. According to Britek founder Brian
Russell, the stored energy is returned and converted into forward
momentum. Additionally, the rubber-tensioning rods can be adjusted to
make the wheels to run harder or softer, depending on the surface condition. Check out the wheels in action in the video below.
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