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
5 Year Limited Warranty
BISON ZipCrank™ Height Adjuster
- 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
- Operated with the hand crank provided or with optional BA931 Cordless Winch Winder
- Rim height adjusters are not warranted for dunking or hanging by adults
- See chart for ordering details including use on center strut structures

































