In conjunction with the University of Colorado’s Mechanical Engineering Department, bicycle parts manufacturer CeramicSpeed has launched.

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To produce a bicycle with no chain nor derailleur.

CeramicSpeed introduces chainless bike concept at eurobike

Home Video Editions Store Picks. Looks a bit tricky for getting close ratio gearing.

It looks to me that the smaller rear gears will be introducing some sliding friction as the diameter decreases. Could the axle of the drive shaft be the chain stay? Straight to you every other week. A Belgian expat and cycling enthusiast named Carl, now relocated to Germany, just wrapped up an day trip through all 16 of Germany’s states.

Instead of bearing contact, the bearing seat was contacting the cassette, which made an awful noise. By creating a Core77 account you confirm that you accept the Terms of Use.

Chainless bicycle – Wikipedia

I’ve read and agree to the privacy policy. TECH predictions for 6 articles. The Mundaneum is more than an antiquated indexing system. At this year’s Eurobike show they unveiled Drivena speed “prototype” bicydle bike” would be more accurate, as the thing doesn’t actually work that uses bearings and a wicked-looking ring cog that you don’t want to slam your shin into:.

Chhainless, it’s not really solving any major problems with the current way chain drive systems work on a bicycle — having to constantly clean and lubricate — but dang, it looks cool.

It’s an ahead-of-its-time testament to the power of information. Way to keep pushing back all these haters and actually create something!

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That is an overload issue. Nintendo’s camera accessory is only capable of taking dithered grayscale pictures, but with Photoshop, some colored gels and basic photographic know-how, you can see what a color-capable version of the tool might’ve looked like. In conjunction with the University of Colorado’s Mechanical Engineering Department, bicycle parts manufacturer CeramicSpeed has launched an ambitious initiative: Join overdesigners who stay up-to-date with the Core77 newsletter What’s with the battery cell in the drive shaft?

But ultimately, innovation comes about by people and companies spending a lot of money bjcycle try out new things. How and where do you store your bike? Is there a better way to see a country than by bicycle? Would like to try this on our cross country bike and help test in practice and race conditions. Enter a caption optional. Cars have been using bixycle type of transmission ever since.

Singletrack Magazine via Reddit. chainleds

Username Password Forgot password? I’m a Citibike user so have never had to deal with storage.

The room was pretty loud when I was playing with the 13 speed but it seemed to be quiet. And there’s probably a very good reason that bicycle chains have persisted since their introduction in the late s. He filmed his journey and compressed those 80 days down into 80 seconds: That statement isn’t super meaningful as chain drives already have very low friction.

This stuff is going to jump over teeth and will be destroyed soon because once bended the axial forces will rise. He filmed his journey and compressed those 80 days down into 80 seconds:. Gilles, I was at Eurobike as well.

Did you happen to see both prototypes? I was at Eurobike and had a chance to see it in action. Not an innovative design… Actually if the dreamer designer focused more on research rather than trying to create something bicyle would know that this concept has been proposed and failed. Already have an account?

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A roundup of the most interesting, thought-provoking and surprising questions that our favorite columnists addressed in recent days. Keep me signed in Cancel. Live in the fractal temple and know true peace. Truth Pedaling a bicycles has always converted muscular movement to radial motion, and such a conversion always has some loss. That prototype bictcle massive gear steps like on a mountain bike cluster with a x1.

So I’d say we learn what we can from this, and be grateful that it’s not our money. Naysayers and skeptics will say the cost, plus the additional weight of whatever housing system would be required to keep mud out, would nullify the efficiency of the design.

Chainless bicycle

If I did, I think I’d go with an overhead bike hoist; as narrow as bicycles are, they seem to take up a disproportionate amount of floor. The most dashing thing I’d ever read about Raymond Loewy is that he used to commute, from his manse in Long Island to Manhattan, via speedboat.

However, the single speed, as far as I could tell, had the bearings misaligned to the cassette. K Reset Password Please enter your email and we will send an email to reset your password.