WELCOME TO SUBSONIC MOTOR SPORT EV
COMING SOON | PRE-ORDER TODAY RECEIVE IN JUNE 2026
SUBSONIC S1 MACH 1
DRIFT KART
Glide Past the Grind
Experience true racing precision with a high-speed, Wishbone-suspended powerhouse that turns every bump into a smooth victory lap.
"BEYOND THE NEED FOR SPEED. THE SUBSONIC S1 MACH 1 IS ALL YOU WILL EVER NEED"
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WE AT SUBSONIC MOTOR SPORT EV ANNOUNCE THE HIGH PERFORMANCE GRID IS NOW OPEN TO EVERYONE AT ELITE SPEEDS AT AFFORDABLE POCKET FRIENDLY PRICES.
The QS138-90H Motor with Maxed out controller configuration will provide different distance of miles depending on the battery size you choose and weight of you the driver.
$6030 72v-40ah lithium ion battery. 27 miles race mode to 47 miles cruise mode.
$6780 72v-60ah lithium ion battery. 41 miles race mode to 86 miles cruise mode.
$7230 72v-70ah lithium ion battery. 48 miles race mode to 101 miles cruise mode.
Gravity on Demand: The Rear Aero-Wing
Master the track with high-velocity downforce that pins your tires to the asphalt, transforming raw speed into surgical cornering stability.
Why It Matters:
While the "bone-shakers" lose traction and bounce over imperfections, our rear wing uses precision aerodynamics to create constant downward pressure. This ensures that even at top speeds, your Subsonic S1 Mach 1 stays planted, giving you the confidence to push harder through every turn without losing grip.
Digital Intelligence Display
Equipped with a DKD digital display interface. This will provide real-time telemetry, including live speed, battery voltage, and current power mode status.
*Speed: real-time KPH or MPH.
*Battery Status: A 10-segment Bar and real-time Voltage.
*Gear Position: D (drive), N (Neutral), R (Reverse) and Speed Modes (1,2,3,S-sport). For different speed choices.
*Current Draw: Shows live battery current in ah.
Indicators: Turn Signals, High Beam, Park, head lights.
Advanced FOC Controller
Advanced FOC Controllers: Managed by the FarDriver ND72680. This professional-grade Field Oriented Controller (FOC) system is designed for precise power mapping and high-efficiency heat management that provides the ultimate power performance. One power plant in one machine fits all age groups is all you will need. The software has many many different power mapping profiles to suit various track conditions and driver skill levels.
Choose The Endurance That Fits Your Racing Needs
Choose the endurance that fits your racing needs:
(please note kart weight is (250 LBS) without battery.
We have the three batteries load sizes to choose from.
The QS138-90H Motor with Maxed out controller configuration will provide different distance of miles depending on the battery size you choose and weight of you the driver.
72v-40ah lithium ion battery. 27 miles race mode to 47 miles cruise mode)
72v-60ah lithium ion battery. 41 miles race mode to 86 miles cruise mode)
72v-70ah lithium ion battery. 48 miles race mode to 101 miles cruise mode)
Beginner or Pro Choice
The QS138-90H w/ JK ND72680 can be Configurable from
4 hp for safe, controlled learning experience. To a Max Performance Setting Configurable up to 40 hp expert-level racing.
QS138-90H w/ JK ND72680 can be tuned from 10mph up to 80+ mph.
We have also added a bonus power button on the steering wheel. This option gives you the ultimate burst of power.
The endurance professional racer. You have the option to add up to two batteries the same size on either side.
Fully Adjustable Powerplant
When it comes to alround powerplant we decided to pack this ride with one of the ultimate electric motor in the racing industry.
The QS138-90H w/ JK ND72680. The JK ND72680 controller offers a completely customizable power profile that can be tailored to any driver's experience level through the JK (Jikong) controller. Output is fully programmable to grow with the driver, from beginner to ultimate pro. Allowing for seamless transitions between skill levels. On-the-Fly Tuning: The system is fully programmable via the controller and can be blue tooth connected directly to a laptop or touchpad and or phone. This allows you to instantly recalibrate any speed acceleration for curves, and torque limits to suit specific track conditions or driver preferences at the track or in the shop.
The Pro-Grade Pivot
Stop buying toys they outgrow. The Mach 1 is a full-scale steel chassis with a 5-inch sliding pedals and adjustable seat with the ability to raise and lower the steering wheel, also a programmable brain. Slide the pedals and seat to fit a 4’3” kid, then dial back the controller for safe learning. When it’s your turn, slide back the seat and unlock the brain to the full 80+ mph and torque.
Fits the kid today. Handles the man forever.
Volocity S1-Series Safety System
Velocity™ S-Series Impact Safety System with Rapid Kill-Switch Button.
We Know that every driver will Push this Kart to Mach 1 speeds. That's why we installed the ultimate safety system. The Velocity™ S-Series is a rugged, track-tested safety system featuring Memory Plastic Bodywork that absorbs 10G+ severe impacts and springs back to its original form. Drivers are secured by a competition shoulder and waist strap seat belt system. While secured to a plush impact absorbent racing seat. We also installed a red Dash-Mounted Emergency Kill Switch that provides a fail-safe, one-touch power cut off for immediate on track or track-side safety. It’s a "bulletproof" setup that lets you focus on beating your best time and passing the unprepared racers, knowing the safety hardware is keeping you safe.
Velocity S1-Series Modular Cockpit
Velocity™ S-Series Modular Cockpit adjustment & Throttle and brake pedal adjustments:
Designed for the 10-second driver swap. The Velocity™ S-Series eliminates the "one size fits all" compromise. With a wide-range sliding seat and a manual quick-release pedal lever slide adjustment, you can reconfigure the entire driver triangle in seconds for the ultimate comfort position. The lever-lock system provides a rock-solid connection that won't budge under heavy racing loads, allowing drivers from 4'-3" to 6'-3" to find their "attack position" instantly. High-performance racing, now accessible to every body type.
Super Heavy Duty Rear Axle
Subsonic S1 Mach 1 High-Torque Axle: Engineered to handle the tremendous amount of instant torque from the QS138 motors will Generate. Made with a 40mm x 5mm (1.57" \times 0.2") aerospace-grade chromoly steel core, specifically heat-treated to handle the 100% instant torque delivery of high-output electric motors without flexing or twisting.
Drift Your Way To The Finish Line.
"Industrial Racing strength stopping power: "Not like those bone shakers with one rear break". We installed four Machined aluminum calipers paired on front and rear with high-pressure braided lines with a stop rating of 14,500 psi for consistent performance on every corner and lap after lap." Also rear wheels Drift brake at arms reach for the ultimate drift riding experiance.
Super Strong Racing Chassis:
"Pioneering the next era of EV racing with super strong Millennium chrome-moly Steel frame chassis—built to withstand the impossible G-Forces that this kart will deliver.
S1 Mach 1 Signature Handling Package
"No more bone shaking Go karts"
Elite-Track Independent Suspension:
Engineered for absolute dominance, the S1 Mach 1 features a front and rear aluminum double-wishbone independent suspension. Paired with precision-valved coil over shocks, this system maintains a relentless force contact to the pavement for precise cornering stability, even under extreme lateral G-forces. Makes you feel like your in a F1 car.
Evolutionary Chassis & Cockpit Integration
The JK Jing Kong FOC (Field Oriented Control)
series represents the gold standard in high-performance go-kart and EV motor management. Unlike standard controllers that use "block" or square-wave signals—which create that jarring, "shaky" vibration you mentioned—the JK FOC controller uses advanced vector math to deliver a smooth, sinusoidal power curve.
Why this Kart Feels Like a Real Race Car
Sinusoidal Smoothness: By precisely controlling the magnetic field orientation, the JK Jing Kong eliminates the "torque ripple" found in cheaper units. This means you get butter-smooth acceleration without the "bone-shaking" vibrations typical of non-suspended or poorly controlled karts.
Maximum Efficiency:
FOC technology ensures that every amp from your battery is converted into motion rather than heat. This allows your motor to run significantly cooler while pushing your kart to its absolute top-speed potential.
Instant Throttle Response:
The "Field Oriented" aspect means the controller always knows the exact position of the motor's rotation. When you hit the gas, the power delivery is instantaneous and procise, giving you that authentic race-car "snap."
Quiet Lethality: Because the energy delivery is so efficient and smooth, the motor whine is replaced by a high-performance hum, letting the speed speak for itself.
Professional Statement:
"The JK Jing Kong FOC controller is a high-bandwidth vector control solution engineered for elite-tier electric racing. By decoupling torque and flux components, it eliminates mechanical stress and harmonic vibrations, transforming a standard drive into a refined, high-velocity racing experience that complements the precision of a Wishbone suspension system."
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The Silent Force: The EVE 40PL lithium battery.
The EVE 40PL is a high-performance lithium-ion battery. Impressive extremely high discharge rate. What this means for you is NO more battery performance power lag or power loss when you are giving it all you got even when battery shows 30% battery life left. This is a major game changer when your on the last lap to win the race and you need that same boost power you felt from the starting line.
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Why Our Builds Stand Alone:
Why Our Build Stands Alone
While standard karts force you to feel every crack and bump in the pavement, our dual-wishbone geometry absorbs the impact, keeping your tires glued to the track for maximum traction.
Precision Handling: Independent suspension means your steering stays true, even on aggressive turns. this is the way is should be moving forward for the future of professional go karting.
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Engineering the Future of Speed.
Step away from the "bone-shakers" and set the new standard and into the cockpit of a true performance EV. By combining the grip and precision of Wishbone suspension with the relentless power of JK Jing Kong FOC technology wired to the ultimate QS138-90H motor, we’ve bridged the affordable price gap between a hobbyist kart and a professional race car.
Evolution of the Track: From Kart to Race car
IMPORTANT INFORMATION
We will provide a tracking number after payment clears, so you can track all your packages.
Production & Delivery Time ranges from 16 to 40 days.
Minimum assembly will be required for all karts. Like
wheels/tires/battery/wing/steering wheel/seat.
To insure The Subsonic S1 Mach 1 race kart parts and mechanisms are all tight and are properly installed and put together by us and you for your safety and state regulations. All karts will be programed upon delivery to a max speed of 19 mph for pre testing and components check safety after you have completely checked kart over 100% before adjusting speed peramiters. "So please read all terms & conditions, warranty activation & safety agreements before checking the square box at check out.