CeramicSpeed’s ultra-efficient Driven bicycle works without a chain

Ceramic Speed Bicycle (99 per cent efficient multi-speed drivetrain.)

CeramicSpeed has proudly accomplished what many have said couldn’t be done,” said CeramicSpeed CTO Jason Smith. “We’ve achieved a 99 per cent efficient multi-speed drivetrain while eliminating the chain and complex rear derailleur.

Other ill conceived thoughts and notions:

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