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

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Don’t have an account? Breathe it in, deep. Looks a bit tricky for getting close ratio gearing. That prototype shows massive gear steps like on a mountain bike cluster with a x1. The room was pretty loud when I was playing with the 13 speed but it seemed to be quiet. This stuff is going to jump over teeth and will be destroyed soon because once bended the axial forces will rise.

TECH predictions for 6 articles. 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. Join overdesigners who stay up-to-date with the Core77 newsletter Keep me signed in Cancel.

It’s a safe for all purposes — you can store anything in there, from your family heirlooms to your lunch. If I bicyc,e, I think I’d go with an overhead bike hoist; as narrow as bicycles are, they seem to take up chainnless disproportionate amount of floor.

CeramicSpeed introduces chainless bike concept at eurobike

The veteran actor on getting a bomb in the mail, playing angry men and denouncing Donald Trump. At this year’s Eurobike show they unveiled Drivena speed “prototype” “concept 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:.

Instead of bearing contact, the bearing seat was contacting the cassette, which made an awful noise. It’s chainelss ahead-of-its-time testament to the power of information. Please enter your email and we will send an email to reset your password.

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And there’s probably a very good reason that bicycle chains have persisted since their introduction in the late s. I can’t tell about the friction and efficiency, but the sound it makes is quite annoying. By creating a Core77 account you confirm that you accept the Terms of Use.

Cars have been using this type of transmission ever since. Already have an account? Gilles, I was at Eurobike as well. I’ve read and agree to the privacy policy. Would like to try this on our cross country bike and help test in practice and race conditions. That being said, it wold still be cool to see a working version.

CeramicSpeed’s Bearing-Based Chainless Bicycle System – Core77

Design Jobs Firms Awards Conference e. Very clever thinking — but I as an engineer strongly doubt that the transmission to the whell will work in reality.

The Mundaneum is more than an antiquated indexing system. Chainlss I can’t deny that if they get that pinion working, it’d be awfully cool to see in action. How and where do you store your bike? I’m a Citibike user so have never had to deal with storage. He filmed his journey and compressed those 80 days down into 80 seconds:.

Pickles are an integral staple of Turkish cuisine, and a glass of pickle juice is famed as a quick, tasty chalnless natural cure bicgcle even the fiercest of headaches. So I’d say we learn what we can from this, and be grateful that chailness not our money. Is there a better way to see a country than by bicycle? Straight to you every other week. Could the axle of the drive shaft be the chain stay? Truth Pedaling a bicycles has always converted muscular movement to radial motion, and such a conversion always has some loss.


Too, the carbon tube will bend outwards and the gear shifting friction will rise enormously under load. What’s with the battery cell in the drive shaft? However, the single speed, as far as I could tell, had the bearings misaligned to the cassette.

Gives bivycle whole new meaning to the term Road Rash. Professional skydiver Michelle Nirumandrad latches canvases to her body and makes “art” through “gestural abstraction.

Who would have guessed that attempting to set people up in a contrived, high-pressure environment might not yield a perfect match? Enter a caption optional. Username Password Forgot password? I suspect it’s for shifting! I was at Eurobike and had a chance to see it in action. K Reset Password Please enter your email and we will send an email to reset your password.

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.

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.

I hope it works and becomes a product, but I am not holding my breath. Did you happen to see both prototypes? There was one at their booth single speed and another in the awards section of the show with 13 speeds.