The Japanese custom scene has its leading lights; superstar builders with résumés that include coveted show trophies and high-profile OEM collaborations. But there are also highly skilled craftsmen who manage to fly under the radar—like the builder of this captivating Harley Electra Glide bobber, Shintaro Kido. Kido-san runs his one-man shop, Kid Custom Factory, out of Fukuoka—a port city situated on the northern shore of Kyushu Island. He started his career at a factory that built form...