Via amazon:
KEIRIN is the "world of battle" where body and body, courage and courage collide. There was a high school student who took a step into the world of a sharpened sword-like fixie and a bicycle called a track racer! The man is chromoly horizontal! This is Morio Kobayashi, a regular at the Aoba Bicycle Shop, which is familiar to us. However, a boy who is good at bicycles in the city goes to the world of competition! Morio stands on a 400-meter truck! !! The angry "Aoba Bicycle Shop" special spin-off extra edition, Keirin Challenge edition!