"World’s most efficient" bicycle drivetrain unveiled at Eurobike

Of all the items currently on display at this year’s Eurobike show in Germany, one of the most attention-getting is CeramicSpeed’s DrivEn pinion-style shaft-drive system. According to its designers, it creates 49 percent less friction than the high-end Shimano Dura Ace chain-and-derailleur setup.

Ben Coxworth

https://newatlas.com/ceramicspeed-driven-shaft-drive/55364/?utm_medium=email&utm_campaign=2018-07-14%20133415%20USA%20Weekly%20Basic%202018-07-14%20133831%20Automobili%20Pininfarina%20-%20the%20full%20story%20behind%20the%202000%20hp%20hypercar%20and%20the%20making%20of%20a%20new%20brand&utm_content=2018-07-14%20133415%20USA%20Weekly%20Basic%202018-07-14%20133831%20Automobili%20Pininfarina%20-%20the%20full%20story%20behind%20the%202000%20hp%20hypercar%20and%20the%20making%20of%20a%20new%20brand+CID_dc3421aab864cb9e08f1a709f29db520&utm_source=Campaign%20Monitor&utm_term=Read%20more