https://newatlas.com/correction-chainless-bicycle-is-not-new/5803/
Correction - chainless bicycle is not new
May 2, 2015 - June 28, 2006 Last week we ran a story about the Dynacraft Dekra-D Drive bicycle which has a shaft drive shaft instead of a chain and hence offers less maint
chainless bicycleis notcorrectionnew
https://brobible.com/gear/article/ceramicspeed-bicycle-chainless-drivetrain-efficient-bike/
CeramicSpeed's Bicycle With Groundbreaking Chainless Drivetrain Could Power The Most Efficient Bike...
Jul 11, 2018 - Bicycles must have a chain to power them right? Not necessarily says CeramicSpeed which just introduced a groundbreaking drivetrain that has no chains.