High-strength 21T pinion gear (second gear) produced from tough 7075 T6 aluminum and specially hardcoated for superior power, lightweight, and high durability. Produced on a particular gear device, all pinions feature ultra-precise tooth shaping and ultra-true operating for vibration-free operation. Fine internal threading enables simple installation on XCA clutchbells (standard or lightweight variations). Each pinion is fine etched with all the tooth number for effortless & fast identification.
Available in popular gearing sizes, letting you discover the perfect gear ratio for just about any track.