CeramicSpeed Driven eliminates derailleurs and chain

Revolutionary drivetrain concept claims to sets new standards in efficiency

Gear News
Driven creates 49% less friction when compared to the market leading chain and derailleur drivetrain, claims CeramicSpeed.

Driven creates 49% less friction when compared to the market leading chain and derailleur drivetrain, claims CeramicSpeed.

CeramicSpeed are aiming to shake up the cycling component world with its new Driven drivetrain. The truly revolutionary concept eliminates the need for both front and rear derailleurs as well as the chain. Partnering with the Mechanical Engineering Department at the University of Colorado, CeramicSpeed has created a drive shaft concept that they say sets a new benchmark as the world’s most efficient drivetrain.

Look ma, no chain. Or derailleurs.

Look ma, no chain. Or derailleurs.

Driven creates 49% less friction when compared to the market leading chain and derailleur drivetrain, claims CeramicSpeed. A traditional chain and derailleur drivetrain contain eight points of sliding friction, which is generated from the articulation of the chain at these points. CeramicSpeed’s new Driven concept eliminates all eight points of sliding friction.

No word on when the concept could actually become reality, but it's certainly an interesting idea.

No word on when the concept could actually become reality, but it’s certainly an interesting idea.

To achieve that level of performance, Driven uses CeramicSpeed Bearings in a pinion style drive shaft system. In total 21 CeramicSpeed Bearings play a role in the functionality and efficiency of Driven. Thanks to their low rolling friction and longevity, the bearings transfer torque from the front ring through the drive shaft, then onto the 13-speed rear cog.

CeramicSpeed is making some bold claims.

CeramicSpeed is making some bold claims.

“CeramicSpeed has proudly accomplished what many have said couldn’t be done. We achieved a 99% efficient multi-speed drivetrain while eliminating the chain and complex rear derailleur,” boasted CeramicSpeed’s Chief Technology Officer and founder of Friction Facts, Jason Smith. “Advancements in drivetrain technology have been evolutionary since the 1920s. Driven is truly revolutionary given its unique rolling element power transfer and unmatched efficiency. The Driven concept has the ability to change the way the cycling industry views drivetrain design and drivetrain efficiency.”

The system uses CeramicSpeed Bearings in a pinion style drive shaft system.

The system uses CeramicSpeed Bearings in a pinion style drive shaft system.

To learn more, head over to www.ceramicspeed.com.

About the author: RoadBikeReview

RoadBikeReview.com is an online community of cyclists who share a passion for the sport. Visitors of the site regularly purchase gear to upgrade their bikes, share inspiring photos of rides, and keep up to date with the latest industry and technology news. Which products perform best? Where to buy them? Where to ride? How to ride better? Cyclists come to RoadBikeReview.com for the answers.


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