Traxxas 21T Pinion gear with set screw, part #2421.
Original Traxxas pinion gear with 48-pitch that fits on a wide variety of Traxxas radio controlled car models with 48-pitch spur gears and 3mm motor shafts. Changing the pinion gears allows the driver to fine-tune the accelleration and top speed of the car - larger gears will result in higher top speed while a smaller gear provide more torque and acceleration.
This 21T is the standard pinion gear on the 4-Tec 2.0, Summit 1/16 and Stampede.
Traxxas 4-Tec 2.0,
Traxxas 4-Tec 3.0,
Traxxas Bandit 2WD,
Traxxas Bandit 4x4,
Traxxas Stampede 2WD,
Traxxas Stampede 4x4,
Traxxas Stampede VXL,
Blasted-RC is a online store selling RC cars and products from Traxxas, HPI, Tamiya and more. We're dedicated to giving you the best RC experiences by offering the best products and customer service.