JK Products 48P Plastic Pinion Gear (3.17mm Bore) (28T)

JK Products 48P Plastic Pinion Gear (3.17mm Bore) (28T)
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Price: $5.49


  • 22T
  • 23T
  • 24T
  • 25T
  • 26T
  • 27T
  • 28T
  • 29T
  • 30T
  • 31T
  • 32T
  • 33T
  • 34T
  • 35T
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JK Products plastic pinion gears are offered in a common 48P design with a wide array of teeth to suite the needs of performance R/C enthusiasts looking to get every last ounce of performance out of their vehicles. Thanks to its lightweight polymyer gear, enthusiasts will not only notice a smoother wear pattern with reduced friction on their drivetrain, but boosted performance thanks to lower rotating mass that provides incredible acceleration. Increased performance has never been so cost effective.


  • Ultra Lightweight Hybrid design Aluminum/Polymer
  • Molded teeth for ultra smooth gear mesh
  • Thinner profile
  • Quicker Motor RPM
  • Must have for Stock racing
  • Color coded for tooth count identification
    • Purple: 26 Tooth
    • Blue: 27 Tooth
    • White: 28 Tooth
    • Red: 29 Tooth
    • Green: 30 Tooth
    • Yellow: 31 Tooth
    • Pink: 32 Tooth
    • Black: 33 Tooth
Verified Owner
Thursday, Oct 15 2020 (5 months ago)
JK Products 48P Plastic Pinion Gear (3.17mm Bore) (31T)
Installed in a Kyosho Javelin re re. 17.5T HW motor and ESC, Kyosho upgrade spur gear.

The good: This gear works as advertised. Just by rolling the buggy on a flat surface, I could tell that rolling resistance was greatly reduced. Tested under power, the car was noticeably quicker.

The bad: The gear is strangely noisy. It may be an imperial and not metric pitch.

It also is very thin and I am not sure how long it will last, or whether it will cause my spur gear to develop weird wear patterns.

The baffling: Why did JK make the grub screw imperial and not metric?