MOTORCYCLE TIRE Russian patent published in 2017 - IPC B60C11/03 B60C11/117 

FIELD: machine building.

SUBSTANCE: tire tread comprises inner inclined main grooves arranged on each side of tire equator in staggered order, inclined axially outward in direction corresponding to specified direction (R) of rotation, at angle from 5 to 30° relative to longitudinal direction, and inner end (Ai) of every said groove is located at distance from 0 to 30 % of half tread width (W) from tire equator. Also there are external inclined main grooves 11 located at each side from tire equator in staggered order, inclined axially outwards in direction opposite to specified direction of rotation, at angle from 10 to 60° relative to longitudinal direction, and inner end (Bi) of every said groove is located axially inside from outer end (Ao).

EFFECT: improved roll characteristics without deterioration of tire adhesion and durability characteristics.

4 cl, 6 dwg, 1 tbl