HPI 2-Speed Lock Nut (Clockwise Threaded)

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

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

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

HPI Racing 77042 Spur Gear 52 Tooth for Light Weight 2 Speed Transmission R40

HPI RS4 Nitro 3 19T Threaded Aluminum Pinion Gear HPI76979

HPI 77021 - THREADED PINION GEAR 26Tx16mm (0.8M/2ND/2 SPEED)

HPI Road Star Super F1 - Z218 Nylon Lock Nut 8-32 (4Pcs) Combined Ship Available