The Tekno RC TKR5152 CNC Differential Pinion Gear (10T) is a precision-machined drivetrain component designed to improve efficiency, smoothness, and durability in your vehicle’s differential system. Manufactured from high-quality steel and hardened for long-lasting performance, this straight-cut pinion gear delivers more efficient power transfer while running smoother and quieter than standard gears. It is intended to be used with the matching CNC ring gear (TKR5151) as a complete set for optimal performance and proper gear mesh. Compatible with a range of Tekno platforms including EB48, ET48, NB48, SCT410, and MT410 series vehicles, this gear serves as a reliable upgrade or replacement for racers and bashers looking for consistent and efficient drivetrain operation.