Castle Creations FLUX HEAVY-DUTY PINION GEAR 18T (8MM BORE, MOD 1.5MM) $19.95 Quantity discounts available QuantityPrice Quantity: -+ SKU: HPI108731 ABOUT THIS PRODUCT:Castle Creations FLUX HEAVY-DUTY PINION GEAR 18T (8MM BORE, MOD 1.5MM)AboutAboutMOD-1.5 CC Pinions are manufactured from hardened steel, and use the biggest Allen head set screw possible. MOD-1.5 pinions are commonly used with 1:5 scale conversions. Available in 12T, 14T, 16T, and 18T.