Belt Crawler Unit Catappi for Mini-Z 4x4 Brand_HPI Racing Axle nuts are tightened with

Axle nuts are tightened with included hex wrench

Get ready to push boundaries

the Roto Rocket also includes a parachute system in addition to the helicopter fins

ABEC 3 Rubber Sealed Ball Bearings: The "ABEC 3" rubber sealed ball bearings ensure smooth and efficient operation

Belt Crawler Unit Catappi for Mini-Z 4x4 Brand_HPI Racing Axle nuts are tightened withMore ways to drive the ultimate rough terrains! With the Catappi tracks, the 4x4 will become a belt crawling overland vehicle! Just change the tires to the Catappi track unit and go over even rougher terrains. This will increase the driving field and make your Mini Z experience even more entertaining. Tracks are made of precision molded plastic integrated with stainless steel pins. High quality construction and materials prevent belts from coming