It is built specifically for use with the King Hauler tractor truck platform

For TNX chassis

Associated 6057 RC10 Sprint Car Kit

Heat-treated solid-steel construction provides dependable strength and resistance to wear

Part number: VZ242-4516

Traxxas 9594X Ball Bearing Kit Stainless HO Parts It is built specifically forComplete stainless steel ball bearing kit for the Traxxas Sledge every bearing used in the truck, in one package. Stainless is the upgrade over the standard kit. Ordinary bearing steel corrodes quickly once water gets past the seal, and a rusted bearing binds and destroys itself fast. Stainless resists that, which makes this the sensible choice if the truck runs in wet conditions, gets washed regularly, or lives somewhere humid. Fits: Traxxas Sledge