I'd say the real key to bicycle ergonomics is the iterative work that Shimano and its competitors have put into the groupsets. Most people don't realize the amo

I'd say the real key to bicycle ergonomics is the iterative work that Shimano and its competitors have put into the groupsets. Most people don't realize the amount of ergonomic improvement that hyperglide cassettes/chains, better indexed shifters, and better brakes have brought to their bicycles.