hmm...im jap but never seen that kind of jerseys. One thing I can tell you is J-sports online shop sells some Anime jerseys, baseball or succer team corroboration jerseys and Parody shirts (J Sports is like ESPN in Japan). These must be available in Japan only. However, you can only get these at online shop and they deliver only to Japanese address. Also, kinda expensive like ¥10,000-¥12,000 (about US$120-$145 per). If you wish me to keep some or send for you, maybe I can.
Dragon Ball Goku
DB Capsule Corporation
Yowamushi Pedal(Road Bike manga) Sohoku High-school(Champion team of Chiba pref)
YP Hakone-Gakuen(Champion High-school of the last year)
General Keroro (Keroro Gunso)
Hanshin Tigers Corroboration Jersey(Hanshin Tigers is pro baseball team in Hyogo and famous for its freaky fans. I can say its like Boston Red Sox)
Here's another model for Hanshin Tigers Jersey
(Below are not a cycling jersey (just a cotton shirt), but I think worth to mention. About US$36-)
"The Master of the Grupetto"
"友の会" can be translated as "Friendship Company" and "Kaicho" stands for "the master" Well, simply this is parody of Robbie McEwen. McEwen Friendhip Company = Grupetto / Kaicho(Master) = McEwen. McEwen often forms Grupetto by his leadership, that's why. You see mountain behind.
"Bang you" Parody of Contador, I guess.
J Sports Online Shop (Japanese Only)