That you should mount your brake levers so that they pointed gently to the sky.
That cool cycling gear included Aviator shades, a polo shirt, shorty shorts and tennis socks and shoes.
That the target ten-speed customer was no spring chicken. By the end of 1977 Elvis was dead and the Beach Boys had turned into a quartet of portly, squabbling, middle aged men. Clearly it was time for cool dudes to get out on their bikes, feel the sun on their leathery skin and let the wind blow through what remained of their luxuriant hair.