The Bison 4'' Zip Crank Residential Basketball System hand crank adjusts the 54" x 36" TruGlass™ backboard with ease. Removable hand crank adjusts goal height from official 10' to as low as 7½' for play by kids of all ages. Competition designed breakaway goal and direct goal mount design makes the backboard virtually unbreakable during normal play. With the  Bison 4'' Zip Crank Residential Basketball System there’s a 30" safe play area at 10'.

• Removable handle adjusts height from 7½'- 10'
• 4'' square steel upright
• Upright powder coated black
• Heavy competition flex goal
• 54'' temp. glass backboard
• 30'' safe play area at 10'
• Includes pole padding
• Limited lifetime warranty