High-strength 21T pinion gear (second gear) created from tough 7075 T6 aluminum and especially hardcoated for superior power, lightweight, and high durability. Developed on a special gear machine, all pinions function ultra-precise tooth shaping and ultra-true operating for vibration-free operation. Fine internal threading enables effortless installation on XCA clutchbells (standard or lightweight variations). Each pinion is fine etched aided by the tooth number for easy & fast identification.
Available in popular gearing sizes, enabling you to discover the perfect gear ratio for just about any track.
