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 2-Speed Lock Nut (Clockwise Threaded)

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

Vintage HPI Nitro R40 19T 2nd 1M Threaded Pinion Gear for 2-Speed Transmission !

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

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

Vintage HPI Nitro R40 20T 2nd 1M Threaded Pinion Gear for 2-Speed Transmission !