<p>A V belt to be used for a dry type transmission. It comprises at least one endless load carrier (3) with cogs (11) at the underside thereof and a plurality of blocks (4) with slots in which said load carrier is fitted. Said load carrier and said blocks are engaged with each other in a lengthwise direction of the belt by engagement of a curved convexed surface (6c) of a slot under surface of the block with a curved concaved part which is a valley (11 b) between adjoining cogs of the load carrier. Cog peaks (11a) of the load carrier are positioned above the lowermost end position of the slots of adjoining blocks at the part of rectilinear state.</p>