This is an orginal Flite part.
Arrma Pinion Gear 24T MOD 0.5 CNC 3.2mm Bore ARA-2175
Arrma Pinion Gear 20T 0.5 MOD CNC 2.3mm Bore ARA311206
Arrma Pinion Gear 15T MOD 0.5 CNC 2.3mm Bore ARA-2630
Arrma Pinion Gear 25T MOD 0.5 CNC 3.2mm Bore ARA-2176
X-Ray 16T PINION GEAR XR355716
TEAM ASSOCIATED FT PINION GEAR 15T MOD 1, 5mm SHAFT - ALUMINIUM AS89597