This Ultra-Efficient Bike Has No Chains and No Derailleurs

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This Ultra-Efficient Bike Has No Chains and No Derailleurs
France Dernières Nouvelles,France Actualités
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In just half a year, Scotland produced enough energy from its wind farms to power all of its homes twice over. engineering

that indicated that their first model achieved 99 percent peak efficiency. The system was also found to have 32 percent less friction than the CeramicSpeed optimized DA drivetrain and 49 percent less friction than a stock Dura-Ace group, both impressive already high-performing models from the company.The 2018 version of Driven could not be ridden and it could not shift. Shortly after Eurobike, the company developed the first rideable version of a single-speed Driven bike.

Driven now comprises a fixed front pinion and a patent-pending, wirelessly controlled, electronic shiftable rear split-pinion. In collaboration with Specialized, CeramicSpeed took the aerodynamic Specialized S-Works Venge and outfitted it with their chainless Driven drivetrain. A telescoping driveshaft was produced and is capable of transferring high torque through the driveshaft while it lengthens and shortens to follow suspension.

These bikes aren't readily available for purchase yet. Until then, we'll have to deal with our chains and dream about a ride with less friction. Stay ahead with the latest science, technology and innovation news, for free:

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