This is the 1/10 scale Electric Powered, Radio Controlled, Traxxas E-Revo Racing RTR Monster Truck. FEATURES: Chassis: Nylon composite 0.08" (2mm) thick, gray in color with integrated and scalable dual battery compartments, quick release battery doors and cooling vents for constant airflow Drive: Four wheel shaft drive Motor: Twin Titan Fan Cooled 550 Motors Radio: Traxxas TQ 2.4GHz with Traxxas Link Technology, adjustable exponential, end points and sub-trim, steering and braking dual rates, 5-channel Traxxas Link receiver Ball Bearings: Full set Shocks: Oil-filled, hard-anodized, titanium-nitride coated shafts Gearbox: Closed Differentials: Hardened steel bevel, sealed Transmission: One-speed, brushless ready Tires: 3.8" (97mm) rubber construction Wheels: 3.8" (97mm) 5-spoke black chrome Speed Control: EVX-2 with High-Current Traxxas Connectors Bumpers: Front, rear and center skid plate, nylon construction Suspension: Sealed pivot ball Caster: Adjustable, caster/toe-in refers to the angle of the front front suspension when viewed from the side of the car in relation to the chassis Camber: Adjustable, camber refers to the angle of the tops of the tires from vertical when when viewed from front or behind vehicle Steering Tie Rods: Front and rear adjustable, 0-3 degrees Steering: Bell-crank type Batteries: Two 7-cell 8.4V 3000mAh stick battery packs with Traxxas connectors INCLUDES: Traxxas E-Revo Racing Monster Truck with two 550 size motors, 2.4GHz radio, ESC, painted body, decals and instruction manual _ REQUIRES: AA Batteries: Four for transmitter Charger: NiMH capable peak detecting charger SPECS: VEHICLE- Length: 22.9" (582mm) Width: 16.5" (419mm) Height: 8.3" (210mm) Weight: 9.5lbs (4330g) approimately, without batteries Wheelbase: 14" (358mm) Front Track: 16.4" (416mm) Rear Track: 16.5" (419mm) Ground Clearance: 3.9" (99mm) BODY- Length: 19.9" (505mm) Width: 7.29" (185mm) at rear wheels (widest point) 6.7" (170mm) behind from wheels (thinnest point) Height: 4.9" (124mm) COMMENTS: The E-Revo 2.4GHz RTR is available in the following body colors: Red (TRAD24RR) Blue (TRAD24BB) Black (TRAD24LL) Silver (TRAD24SS) All original bearings used in the E-Revo are rubber shielded. The following list includes the rubber shielded bearings and the non-shielded DuraTrax brand as an economical alternative. For Replacement Ball Bearings use: DuraTrax Traxxas Qty. Size Location Qty Bearing Set Qty Bearing Set 2 12x18mm Fr Hubs 1 DTXC1597 1 TRAC5120 2 6x13mm Fr Hubs 1 DTXC1573 1 TRAC5180 2 12x18mm Rear Hubs 1 DTXC1597 1 TRAC5120 2 6x13mm Rear Hubs 1 DTXC1573 1 TRAC5180 2 10x15mm Differentials 1 DTXC1595 1 TRAC5119 2 8x16mm Differentials 1 DTXC1585 1 TRAC5118 4 6x12mm Differentials 2 DTXC1569 2 TRAC5117 4 5x11mm Transmission 2 DTXC1547 2 TRAC5116 2 6x12mm Transmission 2 DTXC1569 2 TRAC5117 cnh 4/7/10 jxs 04/19/10 ir/jxs