Since such a valuable gadgets are so popular , idea of "beefing up" newly purchased bike would be more attractive , if buyer had option to chose and order any of desired and already available accessories , like : shields , seats , lightings , combination of colors , foot positioning , etc . It could attract the product , increase sale and add the value . But producers have different mind set , so it's never ending struggle . Such a "packages" exist in car's business and successfully help to make a choice .