The annual company cycling club trip faced cold rain and wind, and the planned double ascent turned into a severe west route Wuling challenge under heavy rain. Before departure, a colleague unveiled an astonishing 5kg ultra-light bike, instantly igniting conversation. On wet roads and in low temperatures, starting from the Geographic Center Monument, they sprinted through Renzhiguan, Wushe, and up to the highest convenience store in Cingjing for supplies. Throughout, big data charts quantified the group's power and pacing on each segment. Facing dense fog from Cuifeng to Yuanfeng and the steep torment of Kunyang's Paradise Road, how will these riders show their tenacious fighting spirit in this brutal rainy battle?