55T 58T 61T Alloy Spur Gear Upgrade for Tamiya TT-01 RC Car

Upgrade Your Tamiya TT-01 with a High-Speed Spur Gear

Take your Tamiya TT-01 RC car's performance to the next level with this precision-cast alloy steel spur gear. Available in three tooth configurations — 55T, 58T, and 61T — this drop-in upgrade is engineered to deliver smoother power transfer, improved drivetrain efficiency, and enhanced top-speed potential. Whether you're tuning for the track or optimizing for weekend bashing, this high-speed spur gear is a must-have upgrade component.

Key Features

• Three Tooth Options: Choose from 55T, 58T, or 61T to fine-tune your gear ratio and driving performance.
• Alloy Steel Construction: Precision-cast from durable alloy steel for long-lasting wear resistance under high-speed conditions.
• Direct Replacement: Designed as a direct upgrade fit for Tamiya TT-01 / TT01 chassis (compatible with parts 51004 & 53665).
• Precision Casting: Tight manufacturing tolerances ensure consistent meshing with the pinion gear for reduced slop and noise.
• Ring Gear / Bevel Gear Profile: Optimized tooth profile for efficient power transmission and extended component life.
• Scale: Designed for 1/10 scale RC cars.

Specifications

What's in the Box?

• 1 × Alloy Steel Spur Gear (your choice of 55T, 58T, or 61T)

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Frequently Asked Questions

Q: Which Tamiya chassis is this spur gear compatible with?

A: This spur gear is specifically designed for the Tamiya TT-01 (TT01) 1/10 scale RC car chassis. It is compatible with Tamiya part numbers 51004 and 53665. Always verify your specific model variant before ordering.

Q: What is the difference between 55T, 58T, and 61T spur gears?

A: The tooth count (T) affects your final gear ratio. A higher tooth count (e.g., 61T) combined with a smaller pinion gear gives you a lower final drive ratio, which can help with torque and acceleration. A lower tooth count (e.g., 55T) with the same pinion raises the final drive ratio, potentially increasing top speed. Choose based on your track conditions and driving style.

Q: Is this spur gear made of metal or plastic?

A: This is a precision-cast alloy steel spur gear — a significant durability upgrade over standard plastic spur gears. The metal construction provides better wear resistance and more consistent performance at high speeds.

Q: Is installation straightforward for a beginner?

A: Yes. This spur gear is a direct replacement for the stock TT-01 spur gear. Basic RC car tools (a hex screwdriver/wrench) are all you need to complete the swap. We recommend checking mesh clearance between the spur gear and pinion after installation for optimal performance.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.