These hubs are also narrowed by 2mm compared to the stock hubs thus allowing more wheelbase adjustments with the included alloy shims

Aluminum parts provide greater precision and strength

and a life span up to 4 times longer than Li-Poly batteries (when cycled under the same discharge conditions)

the front bumper can be removed and the skid plate by itself can be run as a light-weight alternative bumper / skid plate that shreds 27 grams (almost a full ounce) of weight from the front end of the truck

Soak time before wiping is also dictated by traction conditions

Hot Racing - Aluminum Brake Disc w/ Red Calipers, for Traxxas 4-Tec 2.0 ASC40108 These hubs are also narrowedHot Racing's aluminum disc brake rotor hub, +2mm add on for the Traxxas 4 Tec 2. 0. Features: +2mm hub extensions (each side) for greater stability. Silver anodized vented metal brake disc with red anodized caliper.