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Altis Sigma 25kW Lightweight Off-Road Electric Dirt Bike

$10,398.00 USD

~~$5,199.00 USD~~ $10,398.00 USD

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Model Number sigma

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

High-Efficiency 98V Hairpin Motor: Air-cooled design provides maximum thermal efficiency and continuous high-kW output under aggressive riding conditions.
Proprietary 35Ah ALTIS PowerPack: High-density 98V lithium-ion battery engineered for high-discharge performance and long off-road moto sessions.
High-Current AC Fast Charging: Includes a high-output AC 110V/12V 12.5A fast charger for rapid battery replenishment between trail sessions.
Competition-Grade Wheel & Tire Package: Heavy-duty aluminum rims laced with heavy-gauge spokes handle high-impact jumps, rock gardens, and deep ruts.
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

Product Description

CHASSIS

* Weight (with battery): 88 kg
* 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

Motor

* Max. power: 23 kW (31HP)
* 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

MODEL HIGHLIGHTS

1)MODEL HIGHLIGHTS: 97.2V 35Ah (3402Wh) 2)Samsung 50S battery Cells (Greenway Battery Pack) Charging time (20% - 80%): 2 Hours

3)23kw(31HP) peak Hairpin Motor (Automotive standard)

4)Adjustable off-road air-spring suspension

5)3.5" TFT display with NFC feature

6)5levels of regenerative braking

7) Headlight & Taillight (w/brake light) switch 8) Heavy-duty disc brake CST off-road tires

Specification

item	value
Model	2026 SIGMA MX
Max. Speed	> 80km/h
Place of Origin	jiangsu
Motor	Other
Brand Name	Altis
Model Number	sigma
Max. power	23 kW (31HP)
Torque	601 Nm (443 ft-lbs)
Battery	Lithium-Ion ALTIS PowerPack
Battery capacity	35 Ah
Charging input	AC110V/112V12.5A
Chain	428H
Electric motor	98V - Hairpin motor
Cooling	Air cooled
Wheels	Spoked wheels with aluminum rims
Suspension travel (rear)	85 mm with linkage

📋 Ideal Applications

Aggressive Trail & Motocross Riding: 25 kW peak power and instant 601 Nm torque deliver uncompromised off-road acceleration and hill-climbing power.
Singletrack & Backcountry Exploration: Silent electric operation lets you explore remote trails without noise disruption.
Gas-to-Electric Pit Bike Upgrades: Replaces traditional 100cc-200cc gas dirt bikes with zero emissions, instant throttle response, and minimal drivetrain maintenance.