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

HPI 76969 Threaded Pinion Gear (19T * 16mm) (1M/2nd Gear/2 Speed)

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

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

HPI 76969 Threaded Pinion Gear (19T * 16mm) (1M/2nd Gear/2 Speed)

HPI #76954 Spur Gear 44t (1M/2nd Gear/2 Speed) R40

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

HPI Racing 76963 Threaded Pinion Gear 18Tx12mm (1M/1st GEAR/2SPEED) R40