Meet the ETM™ RTR XL ALPHA – The Final Boss of Pit Bikes.
Hand-built in California by Electro & Co., the RTR XL ALPHA is the largest, most powerful, and most complete ETM ever produced. This is not a stretched frame with more power bolted on. It is a fully engineered XL platform carrying the full ALPHA powertrain, built to go faster, hit harder, and stay planted where smaller bikes fall apart.
At its core is the ALPHA system pushing over 92v on a full charge and delivering 18,000 watts of peak power through the E&C Revolver Alpha motor and a full 420 moto chain. The result is violent launches, relentless acceleration, and a true 70+ mph top speed while remaining composed and predictable at speed. Big bike feel. Pit bike size. Superbike takeoffs.
Built for riders who want maximum room without sacrificing control. Extended forks, an extra-rigid extended swingarm, and a 46.5-inch wheelbase give the XL ALPHA unmatched high-speed stability and confidence on landings, while tall bars and a 32-inch seat height deliver true full-size rider ergonomics.
ALPHA Performance: 18kW peak output, 92v+ system, 420 moto chain, two power modes plus Hole Shot mode.
XL Stability: Extended forks, extended swingarm, and big-wheel setup designed to stay planted at speed.
Full-Size Ergonomics: 32-inch seat height, tall bars, and 17″/14″ Kenda tires for a commanding riding position.
Race-Grade Hardware: CNC triple clamps, CNC hubs, aluminum wheels, stainless spokes, and 4-piston disc brakes front and rear.
Suspension That Keeps Up: E&C-tuned DNM fully adjustable extended forks and reservoir rear shock, valved for the increased power and mass of the XL ALPHA platform.
Built to Ride Hard: Hot-swappable high-voltage battery, quick-release seat, LCD display, and adjustable ultra-grippy CNC pegs.
LEAD TIME: Currently shipping in March. We will personally contact you to confirm shipping details after your order is placed.
Need help choosing the right setup? Call us at 916-922-3333 ext. 1.
The ETM™ RTR XL ALPHA doesn’t compete in a category.
It creates one.
SHIPPING DETAILS:
The ETM RTR XL ALPHA delivers elite-level electric performance with a full 92v+ ALPHA system producing 18,000 watts of peak power. Built by Electro & Co. on a fully engineered XL chassis, it delivers savage torque, multiple power modes plus Hole Shot, and a true 70+ mph top speed. Designed for riders who want full-size stability without giving up pit bike agility, the XL ALPHA offers big-wheel confidence, brutal acceleration, and control at speeds other pit bikes simply cannot touch.
Built for real off-road dominance, the ETM RTR XL ALPHA features a purpose-built XL tubular steel frame with an extra-rigid extended swingarm engineered to handle the full ALPHA powertrain. Its 46.5-inch wheelbase, extended forks, and E&C-tuned DNM fully adjustable suspension deliver straight-line stability, precise tracking, and big-wheel confidence at speeds that smaller pit bikes simply cannot manage.
Experience the raw intensity of the XL ALPHA’s 18,000W peak-output E&C Revolver Alpha motor, pushing 70+ mph with authority. Powered by a 92v+ system and tuned with two power modes plus a dedicated Hole Shot mode, this machine is built for adult riders who want a true full-size riding position without giving up the explosive launches, sharp throttle response, and hard-hitting mid-range pull that define the ETM platform.
We know range matters on big rides, so the ETM RTR XL ALPHA comes equipped with an 80v 30Ah battery (92.4v max charge) that delivers the same range as a 72v 35Ah pack, with stronger punch across the board. The fully hot-swappable battery system lets you swap packs in seconds with no tools required, keeping downtime to a minimum and ride time at full power where it belongs.
DRIVETRAIN
Dimensions& weight
chassis DRIVETRAIN| 🔧 MOTOR | The ETM RTR XL ALPHA is powered by the E&C Revolver Alpha 65H IPM brushless motor, engineered for extreme duty and sustained high output. Paired with the full ALPHA 92v+ system, it delivers 18,000 watts of peak power, a wide and aggressive powerband, and a 70+ mph top speed. With a 180°C thermal rating, this motor is built to pull hard through the mid-range and keep delivering when lesser setups fade, making the XL ALPHA the most powerful big-wheel pit bike on the planet. |
| 🧠 RIDE MODES | The XL ALPHA features a race-focused power delivery system managed through the bar-mounted LCD display, giving the rider precise control over how the power comes on. It includes two primary power modes plus a dedicated Hole Shot Mode: Mode 1: Smooth, linear power delivery for technical terrain, tight trails, and traction control. Mode 2: Full ALPHA output unlocked for maximum torque, aggressive acceleration, and high-speed runs. Hole Shot Mode: A rider-activated launch mode designed to deliver maximum off-the-line acceleration when traction and timing matter most. |
| ⚡ BATTERY | The XL ALPHA comes standard with an 80v 30Ah battery pack (92.4v max charge), giving the same range as a 72v 35Ah setup with stronger performance and punch. Like the rest of the RTR lineup, it features a tool-free hot-swappable design and a quick-release seat latch for fast battery changes. The pack is also expandable up to 72v 45Ah for riders who demand maximum range and endurance on longer trail loops. |
| 🔋 CHARGING | The system includes a 4.5A charger, delivering a full recharge in 1–4 hours depending on your setup. The XL ALPHA is 12A Fast Charge ready, so you can significantly cut turnaround time with the EMX® 12A charger upgrade, keeping you on the dirt instead of tied to the outlet. |
| ⚙️ CONTROLLER | The XL ALPHA uses the E&C Alpha Controller, a high-amperage unit tuned specifically to harness the Revolver Alpha motor’s 18kW potential. It’s mounted in the extra-rigid XL frame with integrated cooling and modular mounts, keeping the electronics protected and running cool even during aggressive, high-speed riding. |
Dimensions& weight| Bike Weight | 145 lbs (with battery) — precision-engineered to keep a high power-to-weight ratio even with the larger XL frame, delivering big-bike stability without sacrificing acceleration or agility. |
| Wheelbase | 46.5″ (1180mm) — extended wheelbase designed for high-speed stability and superior straight-line tracking across rough terrain. |
| Seat Height | 32″ (810mm) — a taller, full-size riding position designed for adult and taller riders, offering a more natural stance and better control at speed. |
| Max Weight Capacity | 250 lbs — reinforced tubular steel frame and firm-tuned suspension built to handle aggressive adult riders and high-speed riding without compromising stability. |
| Tire Stance | 17″ Front / 14″ Rear — the “big wheel” standard, giving increased ground clearance and a more composed, confident ride over obstacles. |
chassis| 🛠 REAR SUSPENSION | The ETM RTR XL ALPHA features a pro-grade E&C-tuned DNM adjustable rear shock, valved firm to handle the full 18,000W ALPHA output. Paired with an extra-rigid extended swingarm and CNC MX-style axle blocks, the XL ALPHA delivers superior high-speed stability and straight-line tracking that standard pit bikes simply can’t match. |
| 🔭 FRONT SUSPENSION | Equipped with 48mm E&C-tuned extended fully adjustable forks. These forks are lengthened to match the XL’s larger geometry and are firm-tuned to deliver pro-level bottoming resistance and front-end confidence during aggressive trail riding and jumps. |
| 🛑 BRAKES | To harness the Alpha’s extreme speed, the XL ALPHA is outfitted with 4-piston hydraulic disc brakes front and rear. These high-performance calipers deliver massive clamping force and superior heat dissipation, giving you reliable “one-finger” stopping power with minimal fade even on the fastest descents. |
| 🛞 TIRES & WHEELS | The XL ALPHA steps up to a “Big Wheel” stance for maximum ground clearance and a more composed ride over rough terrain:
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| 🔩 TRANSMISSION | The XL ALPHA uses a high-strength 420 moto chain to transfer power from the 18,000W Revolver Alpha motor. This single-speed direct-drive system is optimized for instant torque and zero-maintenance simplicity. It includes two power modes plus a dedicated Hole Shot Mode for maximum launch control and aggressive acceleration. |
| 🎨 MODEL DETAILS | Frame: E&C-designed tubular steel frame with a replaceable subframe. Color: Black with extended tail plastics for a balanced, full-size look. Seat: Full-length foam padded seat with quick-release latch for fast, tool-free battery access. |
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