Hot Racing - Steel Pinion Gear, 21 Tooth, 0.6 Module, for 5mm/1/8in Motor Shafts

Hot Racing

$ 8.88 
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Hot Racing 21T, 0.6 module (~42P) steel pinion gear for 5mm or 1/8in motor shafts.


  • CNC machined steel with black Nitride finish
  • Heavy duty 4mm set screw
  • Long design for maximum motor shaft contact
  • Laser marked tooth count
  • Includes a 5mm-1/8in shaft adapter to accommodate both 5mm and 1/8in motor shafts
  • Specifications:

  • Teeth: 21
  • Pitch: 0.6 module (~42P)
  • Length: 10.5mm
  • Outside diameter: 13.8mm
  • Tooth face width: 5mm