Originally Posted by
Braden1550
Every single joint in your leg, connection to you bike (shoes, pedals, hands, seat), and many parts of the bike (chain, cranks, pedals and pedal axles, bearings, wheel stiffness, frame stiffness, frame geometry, chainrings, cassettes, hubs and associated mechanisms, you name it) can each represent potentially wasted wattage.
Especially not cleaning your chain regularly.
Seriously, looking at that list, it's remarkable how people question why a more expensive bike can
help you go faster given that the materials and construction of each component were designed to lessen as much forward resistance as possible.