Features: TQi 2.4GHz High Output radio system with Traxxas Link™ Wireless Module: TQi 2.4GHz High Output transmitter Traxxas Link™ Wireless Module Automatically stores and loads settings for up to 30 Traxxas Link-enabled models—just switch on and drive, "model selection" is not required Multi-Function knob Adjustable steering and throttle percentage (dual rates) Adjustable steering and throttle sensitivity (exponential) Adjustable steering and throttle end points High 13ms frame rate and near-zero latency for responsive control Telemetry-ready 5-channel micro receiver with dual channel-1 input Traxxas Link Wireless Module compatible with Android 4.4 equipped devices, iPhone (4S, 5, 5C, 5S), iPod touch (5th generation and later versions), iPad (3rd generation and later versions), or iPad mini. Factory installed speed, RPM, and temperature telemetry sensors TQi 2.4GHz 5-channel micro receiver (#6518) with fail-safe security and integrated telemetry ports TRX® 3.3 Racing Engine: Bigger piston and sleeve delivers extreme power Consistent and smooth throughout the entire power band Straight-through exhaust flow Slide carburetor TRX IPS crankshaft Knife-edged connecting rod Molded head protector screws onto the cooling head Large aluminum blue-anodized cooling head High-volume air filter Super-light piston and rod High-performance ball bearings Backed by Traxxas Lifetime Engine Replacement Plan Traxxas Resonator Tuned Pipe: Double chamber design maximizes low to mid rpm horsepower Laser etched, polished aluminum finish Long wheelbase chassis increases stability: Chassis extended by 30mm 4mm thick 6061-T6 aluminum chassis Lower skid plate protects the center driveline while allowing quick access to the transmission Tunable sealed differentials in Maxx® differential housings: Strengthened differential housings Differential uses Revo®-Spec gears and components Gray composite components: Heady-duty front, rear, and center skid plates Reinforced front and rear bulkheads Ultra shock bodies Revo-Spec state-of-the-art transmission: Auto-shifting, two-speed transmission is simple, reliable, and easy to adjust Ultra-compact, fewer moving parts Low rotating mass for quick, high-revving acceleration Constant drive engagement is smooth and instantly responsive Sealed case protects the gears and two-speed from track debris 100% captured steering and toe linkage: Double-shear components capture and secure all rod ends for unmatched durability Rear toe-links are captured by a thick tie-bar for double-shear strength Oversized cylindrical dual-stage air filter increases air intake for extended bash sessions EZ-Start® push-button electric starting Tall, aggressive 3.8" all-terrain tires pre-glued on mirror-chrome Hurricane wheels Revo-Spec front, rear, and center driveshafts Sealed pivot balls and front/rear outer driveshafts Revo-Spec Torque-Control™ slipper clutch Powerful semi-metallic brake pads and 42mm cross-drilled steel rotor provide fade-free braking on demand Integrated Steering servo bellcrank and servo saver High-torque digital steering servo (#2070) delivers 125 oz-in & 0.16-sec transit times Eight fully-adjustable, coil-over Ultra Shocks Up to 10 shock mounting positions with multiple holes on the suspension arms and shock towers Updated shock towers and adjustable body mounts High-capacity 125cc fuel tank Adjustable four-position wheelie bar Precision rubber-sealed ball bearings Precision metric hex hardware throughout Blue-anodized aluminum antenna crimp nut Fully painted, trimmed, and decaled ProGraphix® body Fully assembled and Ready-to-Race® Specifications: Model: T-MAXX 3.3 (#49077) Engine: TRX® 3.3 Starter: EZ-Start® Chassis Type: Extended Chassis - 4mm 6061-T6 Aluminum Length (including wheelie bar): 21.213" (539mm) Front Track: 16.5" (417mm) Rear Track: 16.5" (417mm) Center Ground Clearance: 4.2" (106mm) Height (overall): 10.9" (277mm) Wheelbase: 13.2" (335mm) Shock Length: XX Long front and rear Weight (RTR no fuel): 4.536kg (160oz) Front Tires: 6.3" x 3.5" x 3.8" Rear Tires: 6.3" x 3.5" x 3.8" Front Whee