The Tamiya 54577 - 06 Module Hard Coated Aluminum Pinion Gear (21T) combines a lightweight aluminium core with a hard coating to reduce wear. That mix keeps inertia low while delivering better resistance to abrasion in routine running.
The rounded tooth geometry lowers friction and smooths engagement with the matching spur. This reduces mechanical losses and helps keep the drivetrain cooler during extended runs.
Compatible with 06 Module spur gears, the pinion is supplied with a 3mm grub screw for a solid clamp on the motor shaft. Proper setup and mesh adjustment will help prevent slippage under load.
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