This is an orginal Flite part.
TEAM ASSOCIATED FT PINION GEAR 15T MOD 1, 5mm SHAFT - ALUMINIUM AS89597
TEAM ASSOCIATED PRO4 SC10 PINION GEAR 15T 32DP 1/8 SHAFT AS25861
HOBAO HYPER EXTREME VTE2 1/7 DIFF PINION GEAR 15T (FOR 40T) HOP-0147
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 21T 0.5 MOD CNC 2.3mm Bore ARA311207