LOSA3577 Mod1 5mm Bore Pinion Gear (17T)

Losi LOSA3577 Mod 1 5mm Bore Pinion Gear (17T)

The LOSA3577 Pinion Gear is a genuine Losi drivetrain component designed for Mod 1 gearing systems. With a 5mm bore and 17-tooth design, this pinion gear is used to fine-tune the balance between acceleration and top speed by adjusting the motor-to-spur gear ratio.

Made from hardened steel, it is built for durability under high-torque conditions common in off-road bashing and racing. The precision-cut teeth help ensure smooth gear mesh and efficient power transfer when properly installed.

Features:

• Genuine Losi replacement part
• Mod 1 pitch pinion gear
• 5mm motor shaft bore
• 17-tooth design for gearing adjustment
• Hardened steel construction for strength and durability
• Precision-cut teeth for smooth mesh and efficiency
• Ideal for tuning or replacement

Specifications:

• Part Number: LOSA3577
• Part Type: Pinion Gear
• Pitch: Mod 1
• Bore Size: 5mm
• Tooth Count: 17T

Summary

This pinion gear is used to adjust drivetrain performance toward higher speed compared to lower-tooth pinions, while still maintaining strong torque delivery.