ProSlam Professional 180º Heavy Duty Breakaway Basketball Rim,18 inch Single Spring Flex Rim Goal Replacement fit Indoor and Outdoor Backboard (1-Spring)
Amazon.com : Pro Slam Professional 180º Heavy Duty Breakaway Basketball Rim,18 inch Double Spring Flex Rim Goal Replacement Fits 5"x5", 5"x4", 4"x3",5"x3" Hole Pattern Backboard : Sports & Outdoors
SR Smith Swim N' Dunk Challenge Salt Friendly Basketball Game Replacement Parts – Poolweb