83124-4 Traxxas 4-Tec BL-2S Brushless 1/10 Scale AWD Chassis-only

BL-2s^™ 3300 kV Brushless Motor
The sensorless BL-2s 3300 kV motor delivers the all-day speed and torque you expect from brushless technology, without the high price tag. With no brushes to wear out, the BL-2s is long-lasting and virtually maintenance free. Low-friction ball bearings and an integrated cooling fan open the door to all-day fun.

BL-2s^™ Brushless Electronic Speed Control
The waterproof BL-2s speed control delivers all the benefits of brushless technology with the safety and convenience features you expect from Traxxas. Built-in low-voltage detection, thermal shutdown protection, and EZ-Set^® one button programming make BL-2s reliable and easy to operate.

• Fully waterproof
• Built-in two-stage low voltage detection for lithium polymer (LiPo) batteries
• NiMH battery packs 6-7 cells (7.2 - 8.4 V) or 2-cell LiPo battery packs (7.4 V)
• Patented Training Mode^™ reduces the power output by 50% for new or younger drivers. When they're ready, simply change profiles to unleash full-throttle action.
• EZ-Set^® one-button setup operates and programs just like other Traxxas speed controls
• Three programmable drive profiles:
  • Sport Mode – Fwd / Brake / Rev
  • Race Mode – Fwd / Brake
  • Training Mode^™– 50% Fwd / Brake / 50% Rev
• Multi-color status LED
• Two-stage thermal shutdown protection protects the BL-2s from overheating
• Large aluminum heatsink dissipates heat
• Built-in auxiliary fan output
• Keyed motor connector

All Wheel Drive
A highly efficient shaft driven all-wheel drive system rides on sealed bearings and provides maximum acceleration and responsiveness.

Adjustable Body Mounts
Traxxas-exclusive adjustable body mounts (patent pending) allow easy installation of popular 200 mm bodies. Body posts may be shifted forward and backward and side to side to accommodate most pre-drilled mounting holes. A set of fixed body mounts also comes with the vehicle.

Adjustable Wheelbase
Lengthen or shorten the wheelbase for the perfect body fit. With slight modification, rear suspension arms can be moved 3 mm in either direction.

Smooth Undertray
A completely smooth undertray cuts through the air with reduced aerodynamic drag. The smooth chassis resists snags on uneven pavement and expansion joints. The angled front bumper keeps the chassis’ stance low, while still allowing it to pass over bumps and up driveways with ease.

Oil-Filled Ultra Shocks™
4-Tec 2.0 rides on oil-filled Ultra Shocks utilizing X-ring technology for a perfect seal and silky-smooth performance. They are fully tunable with a wide range of oils, springs, and pistons. Features include pressure bladders for air/oil separation and spring clips to precisely change the ride height and spring pre-load. Redesigned shock caps feature hollow balls for better articulation durability.

Adjustable Battery Hold Down
A quick-release, dual-height battery mount accommodates a wide range of batteries including long format NiMH and LiPo battery packs.

High Performance Modular Chassis

Traxxas High-Current Connectors
Designed to handle high-current applications and funnel maximum power to the electronics, the Traxxas iD^® High-Current Connector also allows the battery to communicate with optional iD-equipped chargers (sold separately). Traxxas iD chargers automatically configure and optimize the charger settings for a perfect charge every time. Traxxas iD chargers provide the quickest, safest charge for your battery so you can unleash the maximum power and runtime for your Traxxas vehicle.

Molded Wire Retainer
A simple wire clip would look out of place on this futuristic high tech chassis. Traxxas engineers designed a sleek molded wire retainer to keep motor wires secured safely out of the way.

Precise 2.4 GHz Control
Switch on the power and drive! That's all there is to it with the TQ™ 2.4 GHz radio system. There are no frequencies to manage, so the focus is on having fun. Race multiple vehicles side by side without interference. The TQ's advanced programming provides long-range control with smooth, glitch-free performance. The TQ's ergonomic design is comfortable for all day driving with an internal antenna that is impervious to damage.

Waterproof Receiver Box
Real world driving requires dealing with the elements. The Traxxas 4-Tec 2.0 comes fully protected with a patented waterproof receiver box. The innovative receiver box keeps the micro receiver dry, even in the worst weather.

3-channel Micro Receiver with Fail-Safe Security
The TQ 2.4 GHz micro receiver fits easily into almost any vehicle, and features dual channel-1 steering outputs. The integrated LINK button makes it fast and easy to bind the receiver, and the two-color LED indicates power-on and bind status for fool-proof control and convenience. In the event of signal loss due to an accidental transmitter switch-off or depleted batteries, the receiver will automatically return the throttle to neutral and hold the last commanded steering position. The fail safe programming is conveniently built-in and does not need to be set or activated.

Waterproof Steering Servo
A high-performance chassis needs a powerful steering servo for responsive performance and Traxxas delivers with the 2075 high-torque servo. This waterproof steering servo uses O-ring seals to keep the fun going when things get wet. Waterproof for all-weather action, the 2075 provides 125 oz-in of steering muscle.

Fixed Gear Mesh System
Setting the perfect gear mesh can be a complicated and arduous process. The Traxxas 4-Tec 2.0 eliminates the hassle with its innovative fixed positioning system. Use the convenient chart included in the user manual to select the proper hold for your pinion gear.

Proven Sealed Differentials
The 4-Tec 2.0 chassis features the same sealed, beveled-gear differentials in the front and rear as the ultra-rugged Slash^® 4X4. Tune the performance by varying the viscosity of the fluid inside.

One-Piece Driveshafts
One-piece steel driveshafts save weight and send power directly to the wheels for lightning quick response times. Extended drive cups allow for maximum articulation and ultimate durability.

Center Driveshaft
A lightweight aluminum driveshaft distributes power to all four wheels and reduces rotational mass for faster acceleration off the line. There are no dogbones to wear and no drive cups to wobble. The shaft runs perfectly straight and with superior rigidity and durability.

High Performance Suspension Adjustments
A high angle steering option allows your vehicle to rotate further for epic drifting around corners. The high tech suspension also features bosses molded into the arms to adjust droop. Suspension droop is the amount of downward travel on the wheels. Droop adjustment allows 4-Tec 2.0 to be tuned for better cornering stability.

New Dual-Bellcrank Steering System
Dual steering bellcranks with optimized geometry virtually eliminate bump steer to increase stability in the corners. An integrated servo saver mounts securely to the servo to protect the gears from crash damage without compromising steering precision.

Rubber-Sealed Ball Bearings
Precise rubber-sealed bearings offer the ultimate in super low-friction performance and maximum protection in dirty environments.

Hex Hardware
Pro-quality, high-grade, metric hex-drive hardware is used throughout for extra strength, easy maintenance and quick repair. The black-oxide rust-resistant finish provides a high tech look and feel.

Dual Rear Camber Link Mounts
The rear suspension features dual mounting points for the camber links to accommodate different bodies. Use the traditional high mount for standard bodies or the low-profile mount for sleek bodies like the Ford GT.

Replica Tires and Wheels
Sticky street tires wrap around gorgeous replica wheels with lug nut details (patents pending). The replica brake discs incorporate standard 12 mm wheel hexes and feature red brake calipers. The brake calipers even switch from leading to trailing orientation, allowing you to keep an authentic scale look for the body of your choice.