Venkatesh Rao@vgr·Feb 20, 2021This is an odd mechanismQuote TweetInsider Tech@TechInsider·Feb 19, 2021This innovative bike uses a string instead of a chain to improve efficiency — but it's not cheap2:001.2M views6230
Venkatesh Rao@vgrIt’s like a 4-bar linkage with an elastic connector rod.5:31 PM · Feb 20, 20216 Likes