HPI R40 Red 1st Gear for 2 Speed 76962 Threaded Pinion Gear 17T X 12mm

RC HPI R40 Nitro 2 Speed 18 Tooth Pinion Gear Aluminum Gold (1) 76968

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

RC HPI R40 Nitro 2 Speed 45 Tooth Spur Gear Plastic Black (1) 76955

RC HPI R40 Nitro 2 Speed 20 Tooth Pinion Gear Aluminum Red (1) 76970

RC HPI R40 Nitro 2 Speed 21Tooth Pinion Gear Aluminum Green (1) 76971

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

HPI Spur Gear 47 Tooth Nitro For 2nd Speed R40 [76947]