Model number: TRA5638
Dial in acceleration or top speed with this Traxxas 31-Tooth Pinion. 32-pitch with a 5 mm bore and included set screw for a secure fit—ideal for hobbyists who tweak gearing.
Product Details
Dial in acceleration or top speed with this Traxxas 31-Tooth Pinion. 32-pitch with a 5 mm bore and included set screw for a secure fit—ideal for hobbyists who tweak gearing.
Gear Pitch: 32P
Tooth Count: 31T
Bore Size: 5mm
Needed to Complete (not included):
- Hobby knife
- Glue
- Paint and finishing tools
NOTE: Photo of completed model is for illustrative purposes only. This is a model kit that requires assembly.
More info
Traxxas 31-Tooth Pinion is a 32-pitch pinion gear with a 5 mm bore and an included set screw, made to fit standard 5 mm motor shafts. Swapping this pinion lets you change gear ratio to favor quicker acceleration or higher top speed depending on track or terrain.
Key Features
- 31-tooth design for precise ratio changes and predictable performance adjustments.
- 32-pitch tooth profile to match common spur gears and ensure smooth mesh.
- 5 mm bore sized for standard motor shafts for straightforward installation.
- Includes set screw to lock the pinion on the motor shaft and maintain a secure fit during hard runs.
- Simple, drop-in upgrade for hobbyists who need quick gearing changes between sessions.
Technical Specifications
- Tooth count: 31
- Pitch: 32-pitch
- Bore: 5 mm
- Mounting: set screw included
What's Included
- 31-tooth pinion gear
- Set screw
Why Choose This Product
This Traxxas 31-Tooth Pinion is a straightforward way to tune your model without major drivetrain changes. It's useful for racers and bashers who swap gearing to match track layout or load—compact, reliable, and easy to install.
About the Brand
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