not included:

internal resistance monitoring

Two AA batteries required (sold separately)

it is necessary to check gear alignment and secure the motor before each use

The large 2

HPI Racing - Jumpshot Flux Gearbox (Assembled) BlackZon not included:This completely factory built transmission is ready to bolt in and replace the V1 brushed Jumpshot gearbox! Built with the full Flux drivetrain, you could swap in a more powerful FLUX brushless system for more speed, more power and more FUN! The metal Top, Middle, & Differential Transmission Gears feature the FLUX specific tooth profile for improved gear mesh and lower rolling resistance. The metal Motor Mount Plate Insert is also included, as well as