Obvious bullshit. Also, if you really could recover free energy from non-tangent crank shaft loads, why waste your time with bicycles when you could become an overnight billionaire by selling the idea to makers of reciprocating internal combustion engines.
http://www.cyclingweekly.co.uk/news/latest-news/german-designers-claim-reinvented-bike-147475
@mdcc_tester What say you, Captain Engineer?