TRA2421 – 21 Tooth Pinion Gear 48-Pitch (3mm Bore)

Main features

• 21-tooth drive sprocket for 48-pitch transmission
• 3 mm bore for motor shaft
• Includes a fixing screw ( set screw ) for secure mounting
• Allows you to change the gear ratio to optimize performance and response

Specifications

• Product reference : TRA2421
• Number of teeth : 21
• Pitch (steps) : 48
• Bore : 3 mm (bore)
• Material : Robust steel suitable for transmission stresses
• Speed ​​& traction: balanced for a wide variety of RC uses

Compatibility

48-pitch sprockets like the TRA2421 are generally compatible with the following Traxxas models (as a replacement or for gear ratio adjustment):

• Traxxas Bandit
• Traxxas Stampede
• Traxxas Summit (1/16)
• Traxxas 4-Tec 2.0
• Other Traxxas models using a 48-pitch transmission and a 3 mm motor shaft

⚠️ For precise compatibility with your model, consult your RC vehicle manual or check the pinion recommendations in the manufacturer's documentation.

Usage tips

• Check the alignment of the pinion with the ring gear before final tightening
• Use a small amount of threadlocker on the fixing screw if necessary.
• Test different ratios to find the optimal balance between acceleration and top speed

Box contents

• 1 × 21 Tooth Pinion Gear 48-Pitch (3mm Bore)
• 1 × fixing screw ( set screw )