Altis Sigma 25kW Lightweight Off-Road Electric Dirt Bike
Altis Sigma 25kW Lightweight Off-Road Electric Dirt Bike (98V Hairpin Motor, 35Ah ALTIS PowerPack, 601 Nm Torque
Dominate extreme singletrack trails, dirt tracks, and rugged backcountry with the Altis Sigma 25kW Lightweight Off-Road Electric Dirt Bike. Engineered as a high-performance, electric alternative to traditional 100cc–200cc gas motocross bikes, the Altis Sigma harnesses an advanced 98V high-efficiency Hairpin electric motor generating a massive 25 kW of peak power and an astronomical 601 Nm (443 ft-lbs) of wheel torque. Powered by the proprietary high-voltage 35Ah ALTIS PowerPack, this electric pit bike accelerates to speeds exceeding 80 KM/H (50+ MPH) with explosive throttle response.
⚠️ High-Output Off-Road Performance & Chassis Guidelines
IMPORTANT POWERTRAIN & CHASSIS SPECIFICATIONS:
25 kW Peak Power & 98V Hairpin Motor: State-of-the-art hairpin winding technology delivers extreme power density, rapid thermal dissipation, and instant torque delivery across the entire RPM band.
601 Nm (443 ft-lbs) Wheel Torque & Heavy-Duty 428H Drive Chain: Built to withstand brutal acceleration and high-impact off-road launching using a heavy-duty 428H motorcycle chain.
Linkage Rear Suspension System: Features 85mm of rear suspension travel paired with a progressive linkage system and high-strength spoked wheels with lightweight aluminum rims.
Fast US Warehouse Fulfillment: Shipped directly from regional US warehouses for rapid delivery, zero import hassles, and reliable domestic customer service.
🚀 Key High-Performance Features
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High-Efficiency 98V Hairpin Motor: Air-cooled design provides maximum thermal efficiency and continuous high-kW output under aggressive riding conditions.
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Proprietary 35Ah ALTIS PowerPack: High-density 98V lithium-ion battery engineered for high-discharge performance and long off-road moto sessions.
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High-Current AC Fast Charging: Includes a high-output AC 110V/12V 12.5A fast charger for rapid battery replenishment between trail sessions.
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Competition-Grade Wheel & Tire Package: Heavy-duty aluminum rims laced with heavy-gauge spokes handle high-impact jumps, rock gardens, and deep ruts.
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Progressive Suspension Architecture: High-travel front fork and 85mm linkage rear shock absorb severe track impacts and high-speed trail chatter.
📊 Technical Specifications Matrix
| Specification Parameter | Altis Sigma E-Bike Specifications |
| Brand / Model | Altis Sigma Electric Dirt Bike Series |
| Motor Type / Architecture | 98V Air-Cooled High-Efficiency Hairpin Motor |
| Peak Power Output | 25 kW ($25,000\text{ Watts}$ Max Output) |
| Wheel Torque Output | 601 Nm ($443\text{ ft-lbs}$ Total Wheel Torque) |
| Equivalent Gas Displacement | 100cc – 200cc Motocross Class Equivalent |
| System Voltage / Battery | 98V 35Ah Proprietary ALTIS PowerPack |
| Maximum Top Speed | $> 80\text{ KM/H}$ ($50+\text{ MPH}$ High-Speed Output) |
| Final Drive Assembly | Heavy-Duty 428H Motorcycle Chain |
| Rear Suspension Travel | 85 mm Travel with Progressive Linkage System |
| Wheel Architecture | High-Strength Spoked Wheels with Aluminum Rims |
| Charging Power Input | AC 110V / 112V @ 12.5A Fast Charging |
| Cooling Architecture | High-Airflow Passive Air-Cooled System |
| Fulfillment / Warehouse | US Stock — Fast Domestic Shipping |



* Wheelbase: 1285 mm
* Front brake disc diameter: 260 mm
* Rear brake disc diameter: 220 mm
* Chain: 428H
* Frame design: Aluminium alloy forging
* Ground clearance: 300m
* Seat height: 840 mm
* Steering head angle: 26 °
* Suspension travel (front): 200 mm
* Suspension travel (rear): 85 mm with linkage
* Rear Wheel travel: 200mm with linkage
* Wheels: Spoked wheels with aluminum rims
* Torque: 601 Nm (443 ft-lbs)
* Battery: Lithium-Ion ALTIS PowerPack
* Battery capacity: 35 Ah
* Charging input: AC110V/112V12.5A
* Charging time 20%-100%: 180 min.
* Charging time 20%-80%: 120 min.
* Cooling: Air-cooled
* Energy content: 3.402 kWh
* Electric motor: 98V - Hairpin motor


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item
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value
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Model
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2026 SIGMA MX
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Max. Speed
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> 80km/h
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Place of Origin
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jiangsu
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Motor
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Other
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Brand Name
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Altis
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Model Number
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sigma
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Max. power
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23 kW (31HP)
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Torque
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601 Nm (443 ft-lbs)
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Battery
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Lithium-Ion ALTIS PowerPack
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Battery capacity
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35 Ah
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Charging input
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AC110V/112V12.5A
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Chain
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428H
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Electric motor
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98V - Hairpin motor
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Cooling
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Air cooled
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Wheels
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Spoked wheels with aluminum rims
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Suspension travel (rear)
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85 mm with linkage
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📋 Ideal Applications
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Aggressive Trail & Motocross Riding: 25 kW peak power and instant 601 Nm torque deliver uncompromised off-road acceleration and hill-climbing power.
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Singletrack & Backcountry Exploration: Silent electric operation lets you explore remote trails without noise disruption.
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Gas-to-Electric Pit Bike Upgrades: Replaces traditional 100cc-200cc gas dirt bikes with zero emissions, instant throttle response, and minimal drivetrain maintenance.
📦 Package Contents
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1 x Altis Sigma 25kW Lightweight Electric Dirt Bike
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1 x 35Ah ALTIS High-Voltage PowerPack
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1 x High-Current AC 110V 12.5A Fast Charger
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1 x Owner's Operating & Maintenance Manual
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1 x Assembly Tool Set & Drivetrain Service Kit
Details
This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.
Shipping & Returns
We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.
We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.