LockH
1 PW
Yes? No? Maybe?
As seen on kickstarter...
https://www.kickstarter.com/projects/1790594728/krankups-a-new-bicycle-technology?ref=discovery
(Currently with "26 backers, $1,892 pledged of $45,000 goal and 14 hours to go.)
" if the pedals could swing on the crank arms, this would cause a push pull effect giving a longer power stroke. Having a longer power stroke gives you more pedaling power using the same effort."