This is the electric powered, radio controlled, Team Associated RC10T4.1 off-road Racing Truck Kit.FEATURES: Chassis: Molded composite, low center of gravity Drive: Rear wheel, with steel dog bones (not CVDs)Differential: Ball type with lightweight outdrives Transmission: 2.6:1 laydown Stealth type, high-torque capacity Bearings: Full set, rubber sealed Shocks: Oil-filled blue anodized aluminum (blue springs on front and green springs on the rear)Front Tires: JConcepts Carvers in blue compound, 2.2" (55mm) diameter, 2.5" (63mm) wide Rear Tires: JConcepts Double-Dees in green compound, 2.2" (55mm)inner diameter, 2.5" (63mm) wide Wheels: White (dyeable) dish style 2.2" (56mm) diameter Caster: Adjustable front and rear, suspension mounts for 4, 3.5, and 2.5° rear toe included, caster/toe-in refers to the angle of the front 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 viewed from front or behind vehicle Steering: Angled coplanar design to minimize bump steer and maintain constant steering angles throughout the range of suspension travel, built-in servo saver Body: Clear JConcepts high-flow T4 Slipper Clutch: V2 assembly with high-rate spring for more consistent adjustment Impact-resistant rear motor guard Adjustable battery positionINCLUDES: Team Associated RC10T4.1 truck kit with tires, foam inserts, decals clear body, instruction manual REQUIRES: Radio: 2-channel with high-torque steering servo Motor: Associated Reedy 17T recommended ESC: To match selected motor AA Batteries: Eight for transmitter Battery: 6-cell stick or 2-cell LiPo Battery Charger: Peak type for selected battery Building and track equipment SPECS:Vehicle-Length: 15.3" (390mm) Width: 12.4" (316mm) Track:10.6" (270mm) Weight: 3.9lbs (1756g) Wheelbase: 11.3" (288mm) Gear Ratio: 2.6:1 Body- Length: 15.1" (385mm) Width: 5.7" (146mm) Height: 4.1" (104mm) COMMENTS: The DuraTrax Element 3900kV Brushless System (DTXC3122) is an ideal, affordable upgrade for this vehicle. For Replacement Ball Bearings use: Qty. Size Location Qty. Bearing Set 4 3/8 x 3/16" Front Wheels 2 DTXC1423 4 3/8 x 3/16" Rear Wheels 2 DTXC1423 4 3/8 x 3/16" Transmission 2 DTXC1423 2 5/32 x 5/16" Diff Outdrives 1 DTXC1411 2 3/8 x 5/8" Ball Diff 1 DTXC1437 jxs 09/01/10 ir/jxs BOX DIMENSIONS: 10.00" W. X 6.50" H. X 17.00" L. BOX WEIGHT: 4.81 LBS. ACCESSORIES This is the Team Associated RC10T4.1 Off-Road Racing Truck Kit. FEATURES: Ball differential w/lightweight outdrives, V2 slipper, Hi-Flow T4 clear body, carbon-fiber battery strap, JConcept tires, decals, CVA joints w/ pin retainer clips, suspension mounts for 4, 3.5, 3 & 2.5 rear toe REQUIRES: 2-ch radio w/high torque servo, motor, ESC, bldg & track equip.