High-strength 21T pinion gear (second gear) created from tough 7075 T6 aluminum and especially hardcoated for superior energy, lightweight, and high durability. Produced on a certain gear unit, all pinions work ultra-precise enamel shaping and ultra-true operating for vibration-free procedure. Fine inside threading enables effortless installation on XCA clutchbells (standard or lightweight variants). Each pinion is fine etched using the enamel number for effortless & fast identification.
Available in popular gearing sizes, letting you unearth the best gear ratio for every track.