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

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Live in the fractal temple and know true peace. I suspect it’s for shifting! I was at Eurobike and had a chance to see it in action.

Username Password Forgot password? However, the single speed, as far as I could tell, had the bearings misaligned to the cassette.

A roundup of the most interesting, thought-provoking and surprising questions that our favorite columnists addressed in recent days. I can’t tell about the friction and efficiency, chaunless the sound it makes is quite annoying. Nintendo’s camera accessory is only capable of taking dithered grayscale pictures, but with Photoshop, some colored gels and basic vicycle know-how, you can see what a color-capable version of the tool might’ve looked like.

By creating a Core77 account you confirm that you accept the Terms of Use. A glimpse of the suburban grotesque, featuring Russian mobsters, Fox News rage addicts, a caged man in a sex dungeon and Dick Cheney.

Truth Pedaling a bicycles has always converted muscular movement to radial motion, and such a conversion always has some loss. It’s a safe for all purposes — you can store anything in there, from your family heirlooms to your lunch. Singletrack Magazine chainelss Reddit.

We Hope This Chainless Bike Design Becomes A Full-Fledged Reality Soon – Digg

So I’d say we learn what we can from this, and be grateful that it’s not our money. Don’t have an account? Very clever thinking — but I as an engineer strongly doubt that the transmission to the whell will work in reality. Enter a caption optional. What’s with the battery cell in the drive shaft? How and where do you store your bike?


He filmed his journey and compressed those 80 days down into 80 seconds:. 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.

It’s an ahead-of-its-time testament to the power of information.

Could the axle of the drive shaft be the chain stay? Is there a better way to see a country than by bicycle?

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.

That statement chinless super meaningful as chain drives already have very low friction. Looks a bit tricky for getting close ratio gearing.

But ultimately, innovation comes about by people and companies spending a lot of money to try out new things. That prototype shows massive gear steps like on a mountain bike cluster with a x1.

Chainless bicycle

Join overdesigners who stay up-to-date with the Core77 newsletter Breathe it in, deep. Gilles, I was at Eurobike as well. I love being able to run quick errands while getting a little exercise; at the supermarket I buy only a few things at a time and go several times a. Please enter your email and we will send an email to reset your password.

This stuff is going to jump over teeth and will be destroyed soon because once bended the axial forces will rise. As the currency leaves its teenage years, the euro is probably better known for its shortcomings.


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. And there’s probably a very good reason that bicycle chains have persisted since their introduction in the late s. To produce a bicycle with no chain nor derailleur. Home Video Editions Store Picks. That is an overload issue. Not an innovative design… Actually if the dreamer designer focused more on research rather than trying to create something new would know that this concept has been proposed and failed.

It looks to me that the smaller rear gears will be introducing some sliding friction as the diameter decreases. Instead of bearing contact, the bearing seat was contacting the cassette, which made an awful noise. Admittedly, 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.

I’m a Citibike user so have never had to deal with storage. K Reset Password Please enter your email and we will send an email to reset your password. Straight to you every other week.