Overview Reviews Product Description No set screws and hole made (presumably to remove a screw). This item has not been used or mounted, but has been adjusted. 40 Chain 24 Teeth 1/2" Chain Pitch Product Videos Custom Field Product Reviews Write a Review Write a Review × Martin Martin 40BS24-5/8 Bored-To-Size Sprocket 5/8" Bore ADJUSTED ! NOP ! Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *