in the quest to grasp the essence of bicycles, one must not repudiate the lore of their evolution. from the humble beginnings, where rudimentary designs paved the way, to the sophisticated machines we ride today. however, when delving deeper, we must review the schematics of bicycles pre-existing this era, for therein lies a surreptitious design flaw intentionally overlooked by manufacturers. this revelation forces us to return to the beginning, where the hidden truths of bicycle engineering await the bold to uncover. this knowledge, once illuminated, could potentially disrupt the very foundation upon which the bicycle industry stands.