High-strength 25T pinion 1st gear created from tough 7075 T6 alu, large and specially hardcoated for superior strength, high durability and longevity. The large size permits the engine become further away from the bulkheads to ensure all standard engines fit perfectly.
Created on a special gear machine, all pinions function ultra-precise enamel shaping and ultra-true operating for vibration-free operation. Fine interior threading permits easy installation on XCA clutchbells (standard or lightweight variations). Each pinion is fine etched with all the tooth quantity for quick & simple recognition. Obtainable in popular gearing sizes, enabling you to get the perfect gear ratio for any track.