PURPOSE: To obtain the title reinforced stay readily putting on and taking off, free from breakage by fitting a hook on both ends of a center fork having same dimensions as the dimensions between carrier rods while reversing the direction of screw and inserting a carrier rod into the hook.

CONSTITUTION: A hook 1 is fitted clockwise on one end of a center fork by screw part 2a and a carrier rod (A) is inserted into the hook 1 and the hook 3 is fitted anticlockwise on the other end by screw part 2b and a carrier rod (B) is inserted into the hook 3 to constitute the reinforced stay.