This is an orginal Flite part.
TEAM ASSOCIATED PRO4 SC10 PINION GEAR 15T 32DP 1/8 SHAFT AS25861
Arrma Pinion Gear 20T 0.5 MOD CNC 2.3mm Bore ARA311206
Arrma Pinion Gear 21T 0.5 MOD CNC 2.3mm Bore ARA311207
Arrma Pinion Gear 25T MOD 0.5 CNC 3.2mm Bore ARA-2176
Arrma Pinion Gear 24T MOD 0.5 CNC 3.2mm Bore ARA-2175
Arrma Pinion Gear 16T MOD 0.5 CNC 3.2mm Bore ARA-2028