Intermediate Gear Shaft For Hammerhead 150CC 200CC Go Kart Dune Buggy 15T Middle This intermediate gear shaft is designed for use with Hammerhead 150CC and 200CC models, including go karts and dune buggies. It features a 15-tooth middle gear configuration that fits directly into the drivetrain system. This replacement part is manufactured independently. All brand references are used solely to denote compatibility with listed models.