Vintage HPI Nitro R40 17T 1st 1M Threaded Pinion Gear for 2-Speed Transmission !

RC HPI R40 Nitro 2 Speed 18 Tooth Pinion Gear Aluminum Green (1) 76963

HPI 76963 R40 18t Threaded Pinion Gear 1M/1st GEAR/2SPEED NIP

HPI Racing 76971 Threaded Pinion Gear 21Tx16mm (1M/2ND GEAR/2SPEED) R40

HPI Nitro RS43 22Tx12mm (1M) Orange Threaded 2-Speed Pinion Gear HPI106631

HPI Racing Threaded Pinion Gear 21Tx12mm (0.8M/1ST/2 Speed) HPI77011

Metal Steel 3.175Mm Shaft 32P Pinion Gear Set 10T 11T 12T 13T 14T Compatible wit

HPI77012 - THREADED PINION GEAR 22Tx12mm (0.8M/1ST/2 SPEED)