The present invention is attached to the front end of the crankshaft and camshaft of the vehicle so that the V-shaped teeth (COG) are formed on the outer peripheral surface of the gear for synchronizing the valve opening and closing with the crankshaft rotation. The present invention relates to a timing gear for preventing the departure of a timing belt from an outer circumferential surface portion and to prolong the life of the timing belt. The timing gear is formed at a predetermined interval on the outer circumferential surface portion of the timing gear 50. The central portions of the plurality of V-shaped teeth 60 are located at the central portion of the outer peripheral surface portion of the timing gear 50 and are formed at predetermined intervals on the outer peripheral surface portion of the timing gear 50. Teeth 60 is composed of a plurality of cube-shaped cogs 61, 62, the plurality of cube-shaped cogs 61, 62 has a predetermined angle and the corner portion of one side portion Is formed integrally with each other.
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