From HPI Racing:
Maximize your fun with a wheelie bar set designed specifically for the Jumpshot! This Wheelie Bar will stop your Jumpshot from flipping over when using full throttle, and it features adjustable mounting that will allow you to alter the wheelie angle so you can pull perfect wheelies every time.
This set includes everything you need to assemble and install a unique wheelie bar on the rear of your Jumpshot MT or ST. It will also fit the Jumpshot SC with the removal of the rear bumper.