Tamiya 42261 TRF 04 Hard Coat Aluminum Pinion Gear 31T - Precision 31T TRF Upgrade  [42261]

Upgrade your drivetrain with a Tamiya TRF pinion

The Tamiya 42261 TRF 04 Hard Coat Aluminum Pinion Gear 31T is a straightforward upgrade for builders who want a lighter pinion with a protective hard finish. Its aluminium build and special hard coat combine to reduce rotating mass while resisting wear, making it a sensible choice for regular track use.

Durability and fitment

Developed with input from the Tamiya Racing Factory program, this pinion carries a hard coat to lower surface wear and cut friction. It fits any Tamiya gearbox that accepts 04 Module gears, so it works across a wide range of models and setups.

Technical highlights

• Aluminium body to reduce weight and rotational inertia
• Hard coat finish for better resistance to scuffing and wear
• 31T tooth count, suitable for many gearing options
• Supplied with a 3mm grub screw for secure mounting