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Description: These gray “skate” wheels have an outer diameter of 4.90”, an inner diameter of 0.87”, and a width of 0.94”. When used in conjunction with the skate wheel adapters (check below), you can use them with Actobotics motors and shafts, or use them with standard skate bearings.


  • OD - 4.90”
  • ID - 0.87”
  • Width - 0.94”


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