HPI Racing 115307 Gear Box Set Jumpshot MT NiMh Batteries Simple two-button programming interface

Simple two-button programming interface

The hump configuration fits vehicles designed for hump-style packs

The trade-off is that they bottom out more readily on big landings

too loose and they strip

 Automatic switching to head or tail light corresponding to the direction the train is operating

HPI Racing 115307 Gear Box Set Jumpshot MT NiMh Batteries Simple two-button programming interfaceHPI Racing 115307 Gear Box Set Jumpshot MT This is a genuine HPI Racing replacement gear box set for the Jumpshot MT. The gear box houses the transmission gears and keeps them aligned and protected from dirt and debris, so a cracked or worn case is worth replacing promptly. This factory replacement set installs during a standard transmission service and keeps your drivetrain running smoothly and quietly. Genuine HPI Racing replacement part #115307