High-strength 21T pinion gear (second gear) created from tough 7075 T6 aluminum and especially hardcoated for superior power, lightweight, and high durability. Produced on a specific gear unit, all pinions feature ultra-precise enamel shaping and ultra-true running for vibration-free procedure. Fine internal threading allows easy installation on XCA clutchbells (standard or lightweight variations). Each pinion is okay etched with the tooth number for effortless & fast identification.
Available in popular gearing sizes, letting you uncover the perfect gear ratio for almost any track.