Tamiya 53421 Aluminum Pinion Gear Set 42T/43T OP-421 Precision Tuning Pack  [53421]

Fine Tune TA-04 Gearing with Tamiya Pinions

For hobbyists seeking to sharpen handling and acceleration, the Tamiya 53421 Aluminum Pinion Gear Set provides a practical gearing upgrade. The pair of pinions is cut for TA-04 chassis use and delivers dependable mesh and consistent operation.

Lightweight Aluminium Durability

Machined from aluminium, these pinion gears resist wear from routine running and help maintain smooth engagement. The pack contains a 42-tooth and a 43-tooth pinion so you can swap gears to tune top speed or acceleration.

Simple Fit and Broad Compatibility

Fitting is straightforward with the supplied set screws and allen key, letting you change ratios quickly trackside. While optimised for TA-04 models, they also fit many 48P metric systems for flexible use across builds.