Happ Trackball Assembly | Roller and Idler Kit



Roller and Idler Kit for Happ Trackball Assemblies

  • Available sizes: 2-1/4 in and 3 in
  • Exceptional performance and precision is achieved from these hardened steel shafts
  • Kit includes (2) steel roller shafts and (1) steel idler shaft
  • For use in the Happ Trackball Assembly


  • 2-1/4 in | Idler Shaft: 1.755 in, Roller Shaft: 2.265 in
  • 3 in | Idler Shaft: 2.370 in, Roller Shaft: 2.933 in

Additional information

Weight N/A
Dimensions N/A

2-1/4in, 3in


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