Bison Zip Crank Wall Mounted Basketball Goal Height Adjuster - Rectangular Glass - BA980RX
- Allows Wall Mounted Basketball Hoops to Be Adjusted from 10' Down to 8'
- Framework Slides Up and Down on Two Chrome-Plated 1" Diameter Rods
- Installed Between Backboard and Support Structure - When Retrofitted on Existing Courts Moves Face of Backboard 4-1/4" Toward Free Throw Line
- May Require Minor Field Drilling in Some Retrofit Applications
- Standard Unit Fits 42" x 72" Backboards with 35" x 63" Attachment Points
- Also Available to Fit Traditional 48" x 72" Backboards with 41" x 63" Attachment Points
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Hand-Crank Included - Optional Cordless Winch Winder Available at Additional Cost
What our Experts Think
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Professional-grade wall-mounted height adjuster system designed for schools, gyms, and competitive basketball facilities.
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Enables smooth height adjustment from 10 ft to as low as 7.5–8 ft, ideal for mixed-age training and skill development.
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Engineered ZipCrank mechanism uses chrome-plated guide rods and steel bushings for stable, vibration-free movement.
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Designed specifically for rectangular tempered glass backboards, delivering true competition-level performance and rebound consistency.
- Heavy-duty steel frame and load-spreading support structure ensure long-term durability under frequent use.
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Compatible with both manual crank and optional cordless winch systems for faster, low-effort operation.
- Maintains structural rigidity of the backboard system, reducing stress and improving safety during aggressive play.
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Ideal for multi-purpose courts that need fast conversion between youth, school, and regulation-height play.
Q&A
Q: What is the Bison Zip Crank Wall Mounted Basketball Goal Height Adjuster (BA980RX)?
A: The BA980RX is a wall-mounted, competition-grade height adjustment system that allows basketball rims to be smoothly adjusted from 10 ft down to 8 ft for multi-age play.
Q: What backboards is the BA980RX compatible with?
A: It is designed for rectangular glass backboards, typically 42" x 72" and 48" x 72" mounting configurations used in gymnasium and institutional systems.
Q: How does the Zip Crank adjustment system work?
A: It uses a hand-crank mechanism (or optional cordless winch) that moves the frame vertically along dual steel guide rods for precise, stable height changes.
Q: What are the key performance benefits?
A: It maintains backboard rigidity during adjustment, preserves rebound performance, and provides smooth, controlled height changes without compromising structural strength.
Q: Is the system suitable for competitive play?
A: Yes. It is designed for institutional and competition-level use in schools, universities, and sports facilities.
Q: Does installation affect court layout?
A: Yes. The system mounts between the wall structure and backboard and may shift the backboard face slightly toward the court (approx. 4.25 inches).
Q: What materials are used in the BA980RX?
A: It features heavy-duty steel construction with chrome-plated guide rods and a powder-coated finish for durability and long-term indoor/outdoor use.
Q: What safety features are included?
A: The system is engineered for stable vertical movement and secure locking at set heights, ensuring safe use during gameplay.
Q: Who is the BA980RX best suited for?
A: It is ideal for schools, athletic centers, and gym facilities that need frequent height adjustments for training and youth programs.
Q: What warranty does it include?
A: The system is backed by a 5-year limited manufacturer warranty.
Q: Why choose the Bison BA980RX Zip Crank system?
A: It delivers professional-grade adjustability, long-term durability, and smooth operation, making it a reliable solution for multi-level basketball programs.
Maintenance Tips
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Inspect wall mounting hardware regularly to ensure all anchors, bolts, and struts remain tight and secure under load.
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Lubricate guide rods and bushings periodically to maintain smooth vertical movement and reduce wear on the sliding frame system.
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Check crank mechanism for smooth operation and ensure no resistance, skipping, or unusual noise during height adjustments.
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Keep threaded screw/drive system clean from dust and debris to prevent jamming or uneven lifting.
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Verify backboard alignment (plumb and level) after adjustments to avoid stress on the glass backboard structure.
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Inspect steel frame and weld points for fatigue or corrosion, especially in high-use gym environments.
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Tighten loose components periodically to maintain stability and prevent vibration during play.
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Avoid overloading or hanging on the rim, which can damage the adjuster mechanism and backboard support system.
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Store maintenance tools and keep access clear for quick inspection and servicing when needed.
Damage 
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