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Extension Arm 4”x48”

Extension Arm 4”x48”

SKU: 421-307
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Spalding Model 8839S Residential Backboard Brackets: Fits all Huffy Sports and most Spalding residential backboards. Adopts backboards to 3.5″ diameter round poles, roof, or wall. Fits all Huffy Sports and most Spalding residential backboards (up to 48″) Offers a 3′ height adjustment range in 6″ increments. Provides appx 3′ of offset from pole / wall. Backboard not included.


  • Allows for approximately 32” offset from the basketball pole to the basketball backboard
  • Connects from backboard to 4” square basketball pole
  • Fits most Huffy Sports and Spalding residential basketball backboard and rim combos that are 60” or less / IS NOT COMPATIBLE WITH LIFETIME BACKBOARDS
  • Holds basketball backboard at a fixed height •Basketball backboard and rim not included Description and Features:
  • The Spalding 920312 Extension Arm and Bracket for 4 Inch Square Basketball Poles allows you to mount specified Spalding or Huffy backboard and rim combo to a 4 inch square pole.

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