Altis Sigma (Limited Edition) Long Range & High Performance Electric Dirt Bike The Limited Edition Altis Sigma electric dirt bike for adults and serious riders, has raised the standards for the entire e-moto industry. With its 98-Volt System, 35-Amp Hour battery and powerful 22kW hairpin motor, coupled with motocross-grade brakes, a heavy-duty suspension, and strong yet lightweight aluminum frame, Altis Powersports met and exceeded our expectations from a quality, performance, and price perspective. The Altis Sigma is available at REV Rides in two powerful models, Altis Sigma and Altis Sigma MX, with the MX having a 16" rear wheel. and the Sigma with a 19" rear wheel. Both models come with a 19" front wheel. The both Sigma electric dirt bike models feature a powerful 27 HP (22kW) peak motor with hair-pin technology--the first time ever used in an electric dirt bike, and is now quickly becoming an industry standard even among competitors; delivers an impressive 443 lb-ft (601 Nm) of torque for exhilarating off-road adventures. With a lightweight aluminum alloy frame, advanced adjustable air-spring suspension, and a long-lasting Samsung 50S battery pack, the ALTIS SIGMA combines performance and versatility like never before. Experience the future of electric riding with enhanced features such as a reverse gear, 3.5" TFT display that enables never-before seen tuning, five levels of regenerative braking, full size brakes and heavy-duty CST off-road tires. The Altis Sigma has a Top Speed of 20 Mph From the factory - see below for unlocked top speed. Only 500 Limited Edition Altis Sigma bikes were produced. Existing quantities are extremely limited and selling fast. Order soon if you want to be one of the few that secure the 2025 Limited Edition Altis Sigma. Limited Edition Altis Sigma Product Highlights Upgraded BMS: Improved battery efficiency and reliability with up to 10% more range Higher RPM: Boosted motor speed from 7800 to 8300 RPM Increased Torque: Raised from 601 Nm to 626 Nm for stronger acceleration New Throttle tune: Enhanced modulation and smoother power delivery for better off-road control more aggressive in race New Front suspension: Dual spring front suspension Dust Seals: in rear suspension linkage New front wheel hubs, on wheels for more strength and stability 19" Sigma & 16" Sigma MX Introducing the Altis Sigma electric dirt bike. Redefining what's possible in high-performance e-moto riding. This newest release from Altis Powersports builds on the already revolutionary Sigma platform with upgraded performance and range—thanks to a new BMS system, improved torque, higher motor RPM, and a refined throttle for better control and responsiveness. Now available in two wheel configurations: Sigma (19" front / 19" rear) for maximum speed and stability Sigma MX (19" front / 16" rear) for tighter handling and torque emphasis Quantities are extremely limited. Order now before they’re gone. Want to be apart of the Sigma riding community?Join the Altis Sigma Facebook group here. Power & Control Highlights Motor: 22-23 kW peak (27-30 HP) Hairpin Motor Torque: 605-650 Nm (with 44T Sprocket) Battery: 97.2V 35Ah Samsung 50S cells (Greenway Battery Pack) Controller: 450 Phase-Amp Controller Throttle: Updated for smoother response Display: 3.5" TFT with NFC and password/unlock security Regen Braking: Five selectable levels Lighting: Headlight with hi/low beam + brake-activated taillight Top Speed: Factory limited to 20 mph (unlockable – see below) Chassis & Suspension Frame: Forged aluminum alloy Weight: 185 lbs (with battery) Wheelbase: 51 inches Ground Clearance: 12 inches Seat Height: 33 inches Suspension: Front: 200mm travel air-dual spring fork Rear: 85mm travel with linkage Brakes: 4-piston DOT hydraulic brakes (260mm front / 220mm rear) Wheels: Sigma: 19" front / 19" rear Sigma MX: 19" front / 16" rear Tires: CST off-road tires Chain: 428H Battery & Charging Battery Capacity: 3.402 kWh Charging Time: 80%: 120 min 100%: 180 min Input: AC 110V/220V – 12.5A Cooling: Air-cooled system Altis Sigma 2025 Highlights: Feature Altis Sigma 2025 Rear Wheel 19” (Sigma) / 16” (MX) Front Wheel 19” Motor Power (Peak) 23kW (30 HP) Torque (Peak) 626 Nm Motor RPM 8300 RPM Battery 97.2V 35Ah Samsung 50S (Upgraded BMS) Controller 450A Phase Throttle Tuned for smoother & more aggressive response Display 3.5” TFT w/ NFC Lock Regen Braking 5 Selectable Levels Brakes 4-Piston DOT Hydraulic Suspension (Front) 200mm Dual Spring Fork (Upgraded from air fork) Suspension (Rear) Linkage w/ 85mm Travel (Now includes dust seals) Handlebars 1 1/8” (Upgraded from 7/8”) Rear Axle 20mm (Upgraded from 18mm) Front Hubs Reinforced Top Speed (Unlocked) ~70+ MPH Weight ~185 lbs Frame Forged Aluminum Alloy Colors / Graphics Standard Altis Sigma 2025 vs Altis Sigma 2025 Limited Edition Feature Altis Sigma 2025 Altis Sigma 2025 Limited Edition Rear Wheel 19” (Sigma) / 16” (MX) 19” (Sigma) / 16” (MX) Front Wheel 19” 19” Motor Power (Peak) 22kW (27 HP) 23kW (30 HP) Torque (Peak) 601 Nm 626 Nm Motor RPM 7800 RPM 8300 RPM Battery 97.2V 35Ah Samsung 50S Same (Upgraded BMS) Controller 450A Phase Same Throttle Standard Tuned for smoother & more aggressive response Display 3.5” TFT with NFC Lock Same Regen Braking 5 Levels Same Brakes 4-Piston DOT Hydraulic Same Suspension (Front) 200mm Air Spring Fork 200mm Dual Spring Fork Suspension (Rear) Linkage w/ 85mm Travel Same (w/ dust seals added) Handlebars 7/8” 1 1/8” Rear Axle 18mm 20mm (Upgraded) Front Hubs Standard Reinforced Top Speed (Unlocked) ~70 MPH ~70+ MPH Weight ~185 lbs Same Frame Forged Aluminum Alloy Same Colors / Graphics Standard Same Availability In Production Extremely Limited (500 units) Price Lowered from Standard MSRP Standard MSRP Altis Sigma vs. Sigma MX – What’s the Difference? Feature Altis Sigma (19/19 setup) Sigma MX (19/16 setup) Rear Wheel Size 19” Rear 16” Rear Handling Greater straight-line stability and top-end speed More responsive handling and quicker torque delivery Best For Mixed terrain, trail riding, and higher-speed runs Motocross-style riding and tight, technical terrain Altis Sigma Overview Rated Motor Output: 8 kW Max Motor Power: 20+ kW Torque: 75 Nm rated / 650 Nm peak Transmission: Gearbox (600-mile first service) Max Load: 300 lbs Steering Head Angle: 26° Water Resistance: Rated water-resistant (not waterproof) Resources Altis Sigma User Manual How to Unlock Full Power OTA App & Software Update Info Altis Sigma Rider Community – Join the Facebook Group Shipping & Assembly Ships via freight (some assembly required) Local pickup available by appointment Always avoid liquid exposure to battery, controller, or wiring ALTIS SIGMA LINKS / TECH INFORMATION OVER THE AIR APP SOFTWARE UPDATE INFORMATION ALTIS USER MANUAL HOW TO GET FULL POWER FROM MY ALTIS Altis Sigma Unveiling Video by REV Rides Altis Sigma Assembly Video Please note: The Altis Sigma is not waterproof (only water resistant). Always avoid liquid exposure to the battery, wires/connectors, controller, cockpit controls and other electronic components.Altis Sigma orders ship via freight unless you arrange for local pick-up. Some assembly is required.