bowlingball.com breaks down bowling ball weights into regular, medium, and heavy. Bowling ball weights vary and we want to make sure that we are clear on what you are ordering. All weights that are available are in the list. If you are looking for a weight that is not listed, then we are out of stock and the ball has probably been discontinued. Regular weight: (example: if you order 14 pounds, we will send from 13 pounds 15 ounces to 14 pounds 6 ounces) Medium weight: Just a little extra weight (example: if you order 14 Medium, we will send 14 pounds 7 ounces to 14 pounds 11 ounces) Heavy weight: A lot of extra weight (example: if you order 14 Heavy, we will send 14 pounds 12 ounces to 14 pounds 14 ounces)