To provide snap connection type side guards for a modular radius conveyor belt easy to assemble and disassemble for washing without obstructing contraction of modules.

The conveyor belt 20 comprises belt modules 23 and can follow a curved route. The module includes a top surface forming a product conveying surface, and a sprocket-driven bottom surface. A plurality of snap connection type side guards 35 are mounted within perpendicular openings 38 provided in the modules. Each of the side guards has a center post 41 with a pair of wings 44 and 47 extending forwards and backwards, respectively, along the direction of travel of the belt. The wings are arranged alternately in their transverse direction, with the forward wing of the first side guard overlying the rearward wing of the adjacent second side guard.