Altis Sigma Dirt Electric Bike

The 2026 Altis Sigma Dirt Electric Bike is the ultimate high-voltage off-road machine, delivering gas-like performance with zero emissions and minimal maintenance. Designed for thrill-seekers and experienced riders, it combines raw power, advanced engineering, and rugged durability to dominate trails, dirt parks, and motocross tracks.

Powered by a 25kW peak hairpin motor (with 601 Nm / 443 ft-lbs of torque) and a premium 97.2V 35Ah Samsung battery, the Sigma offers insane acceleration, effortless wheelies, and a blistering top speed of 80+ mph off-road. The upgraded 2026 model includes improved suspension travel, stronger chain, higher ground clearance, and enhanced components for even better performance.

Key Features

• Insane Power & Torque: 25kW peak motor with 8300 RPM and massive torque for effortless climbs and wheelies.
• Long-Range Capability: Up to 50 miles range (ideal conditions up to 100 miles).
• Premium Suspension: Adjustable air spring suspension with increased travel for superior handling on rough terrain.
• Powerful Braking: 4-piston hydraulic disc brakes with 5-level regenerative braking.
• Rugged & Ready: 19″ knobby tires, reinforced aluminum frame, full fairings, and Baja-style headlight.
• Smart Controls: 3.5″ TFT display with NFC, 3 ride modes (Eco, Standard, Race), and key-specific power modes.
• Water-Resistant: Built to handle rain, puddles, and mud.

Technical Specifications

• Motor: 25kW Peak Hairpin Brushless
• Battery: 97.2V 35Ah Samsung Lithium (3402Wh)
• Top Speed: 80+ mph (Off-Road)
• Range: Up to 50 miles (rider & terrain dependent)
• Charging Time: ~3 hours
• Net Weight: 198 lbs
• Max Load: 300 lbs
• Tires: 19″ Knobby (F19″/R19″ Standard or MX F19″/R16″)
• Brakes: 4-Piston Hydraulic Disc (260mm Front / 220mm Rear)
• Suspension: Adjustable Air Spring (Front & Rear)
• Display: 3.5″ TFT Color Display with NFC
• Seat Height: 35″
• Wheelbase: 51″
• Ground Clearance: 13″ (2026 upgrade)
• Warranty: 1 Year Limited (extendable)