Yowamushi Pedal (2013)

No nudity nor sex. There's a girl with big breasts, she doesn't appear too often, but there's very little fanservice of her. In an episode, a character makes a comment about the size of her breasts. There's another character that frequently shows his bare, brawny, chest. This is depicted as fanservice.

No nudity other than of that one male character who rides with his jersey unzipped (and names his pectoral muscles, Andy and Frank (after the Schleck brothers))