Big wheels and low profile tires make any vehicle look tough. For years, the aftermarket has provided wheels in the most gargantuan sizes possible, wrapping them in tires with sidewalls as thin as an o-ring. As beltlines rise, greenhouses shrink, and wheel arches become more pronounced, manufacturers are routinely shoeing their cars — even relatively sedate family sedans — with wheels 19 and even 20 inches in diameter. They look great, but their durability and expense is questionable, at best. Not long ago — well into the 2000s — most daily driver sedans came with something along the lines of a 205/60R15 tire (See this diagram to explain the numbers). Tires in these sizes typically offer a good compromise between road-holding and ride, providing a nice, fat contact patch with the road, yet allowing some flexibility in the sidewall to soak up pavement irregularities.
Our company is operated by industry professionals with more than 35 years of direct experience in providing customers with all types of specialty wheelchairs. We have grown from typical wheelchair accessory equipment, to a full line of wheelchairs made by Quickie.
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The Aftermarket Group Wheelchair Tire, Low Profile Urethane Foam, Pyramid Shape, Grey, 24" x 1", TAG141001
Spotted at the Bespoked, UK’s handmade bicycle show, Loop Wheels should be getting things Kickstarter’d this week for their carbon fiber looped bike wheels. Details are pretty scant, but the obvious is the composite looped spokes that create three sets of springs between the hub and wheel.
When Israeli farmer and entrepreneur Gilad Wolf broke his leg several years ago, being in a wheelchair didn’t stop him from venturing out to his fields and checking on crops.
Over the winter of 2014-15, we’ve been developing and trialling our first 20 inch loopwheels designed especially for recumbent trikes. The springs are designed to cope with fast cornering and the particular forces of side-axles. We’re really happy with the results. Loopwheels-builder Graeme cycles the 12 miles to work on his trike most days – fitted with loopwheels, of course. He’s been pushing us to get these ready to share! We showed these new trike wheels at the Spezi show in Germersheim, Germany on 25 and 26 April 2015, along with another new design for trikes, with our own hubs and a disc brake fitting.
Looks to me like it is a rigid rim and all the suspension takes place within the three loops of carbon inside. No worries about wheels changing shape or tires blowing off. The axle just moves off center during compression. ChrisC on April 14th, 2013 - 10:39pm ChrisC on April 14th, 2013 - 10:40pm jimmythefish on April 14th, 2013 - 11:00pm
The first wheels are designed around the 20-inch wheels commonly used on fold-up bicycle, and Mr Pearce plans to sell bikes with the wheels fitted for £1200 in September.
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While I know my life would be forever changed had I XploreAir's flying bicycle, the Paravelo, during my fuming battles with city gridlocks and local Department of Transportation personnel who were almost certainly collectively...
'I suddenly wondered why the wheel couldn't have its own suspension, and quickly drew the idea down - and then did nothing about it for two years.
While I know my life would be forever changed had I XploreAir's flying bicycle, the Paravelo, during my fuming battles with city gridlocks and local Department of Transportation personnel who were almost certainly collectively...
The monstrous 25-foot-tall Caterpillar 797F mining truck with its 13-foot-tall standard pneumatic tires
These air shocks are tuneable to give you whatever level of tire deflection you choose, from super-firm to softer and squishier than a regular deflated tire can handle. Likewise, you can design in whatever degree of lateral flex suits your application, and even whatever level of torque flex you'd like, which allows the wheel to flex a little on the axle before it turns. This allows it to act as a soft torque coupler and gives a touch more traction in very difficult circumstances before the wheel spins, as well as slightly isolating the drive train from damaging torque forces in the rough stuff.
Put three of these on your trike, then write up your evaluation for the TA readers.