High-strength 21T pinion gear produced from tough 7075 T6 aluminum and particularly hardcoated for superior power, light weight, and high durability. Produced on a special gear device, all pinions feature ultra-precise tooth shaping and ultra-true running for vibration-free operation. Fine internal threading enables easy. Each pinion is okay etched with the enamel number for simple & fast identification.
Available in popular gearing sizes, letting you get the perfect gear ratio for just about any track.
