KYOSHO Spur Gear Set 2-Speed Nitro Tracker (39-43T)

The Kyosho K.NT015 Spur Gear Set provides two spur gears, 39T and 43T, for use with 2-speed Nitro Tracker transmissions. Ideal for routine maintenance or ratio refinements, this set helps keep your drivetrain running smoothly.

Key Points

• Part number: K.NT015
• Includes 39-tooth and 43-tooth spur gears
• For 2-speed applications on Nitro Tracker platforms (suggested compatibility)
• Suitable for replacing worn or damaged spur gears and tailoring gear ratios

Using the appropriate spur gear can influence overall gearing, helping you fine-tune for track layout or driving conditions. If you are refreshing a well-used transmission or setting up a new ratio combination, the Kyosho NT015 set offers simple, direct replacement parts with the tooth counts you need.

Suggested compatibility is based on the product naming. Please refer to your model’s manual for confirmation of fitment and assembly steps.