Bison Inc. ZipCrank Height Adjusters

ZipCrank Height Adjusters

From adult to youth play in 60 seconds…ZipCrank corner mount rim height adjusters are designed to avoid reduced backboard and rim rigidity common with other height adjustable goal systems.

• Movable framework slides up and down on two chrome plated 1″ diameter rods riding in machined steel bushings
• Height adjusters are installed between the backboard and the backboard support structure and when retrofitted on existing courts moves face of backboard 4¼” toward the free throw line
• May require minor field drilling on some existing retrofit applications
• Adjusts rim infinitely from official 10′ to 8′ heights and includes easy-to-read height indicator labels
• Manual models are operated with the hand crank provided or with optional BA931 Cordless Winch Winder
• Electric models operate with hard wired wall mounted BA975KS Wall Mounted Key Switch 
• See chart for ordering details including use on center strut structures
• Five-year limited warranty.