Mitsuboshi Belting Ltd.

Mistuboshi Belting Ltd.

Susumu Kazusa

Eiji Fukuchi

Harunori Okamoto

Takayuki Tagawa

Masahiro Nagamine

In an open-sided bicycle tire having a plurality of carcass plies enclosing a pair of beads, and extending over the sidewalls and tread of the tire, at least one ply of a breaker is disposed between the plies of the carcass lying immediately under the tread.

Bicycle tire

Bicycle tire tread

A bicycle tire which has a raised, circumferential center rib and laterally opening grooves of scalene trapezoidal shape alternatively in the right and left sides of the center rib whereby the center rib defines a zigzag shape. Groups of polygonal, raised blocks are spaced from both sides of said center rib along the entire periphery of the tire. The bicycle tire provides an improved ride on level and uneven ground or roadways. The tire provides the advantages of both line and block pattern tread types in a single overall tread design.

Growing community of inventors

Kagawa, Japan

Susumu Kazusa