ELECTRIC DIRT BIKE COMPARISON

ALTIS Sigma vs. Sur-Ron Ultra Bee.

Two serious electric off-road bikes with different technical foundations and intended use. This comparison uses current manufacturer data without forcing an artificial winner.

Specifications side by side

Peak power
25 kW · 34 pk
12,5 kW

Fabrieksopgaven; rijmodi en testmethoden kunnen verschillen.

Battery
97,2V · 35Ah · 3.402Wh
74V · 55Ah lithium-ion

Voltage-architectuur en capaciteit verschillen.

Top speed
tot 105 km/u, uitvoering-afhankelijk
56 mph (fabrieksopgave)

Uitvoering en markt zijn bepalend.

Charging
circa 2 uur (20–80%)
4,5 uur

Laadtoestand is niet gelijk gespecificeerd.

Front suspension
instelbare luchtvering · 220 mm
voorvork · 239 mm

Fabrieksopgaven.

Rear suspension
instelbare luchtvering
wieluitslag · 239 mm

Fabrieksopgaven, anders gespecificeerd.

Wheels
niet als vaste set in Sigma-catalogus
19 inch voor · 19 inch achter

Controleer gewenste uitvoering bij leverancier.

Riding modes
afhankelijk van uitvoering
Eco / Daily / Sports / Reverse

Bronwaarden van het Ultra Bee-platform.

Price position
Prijs op aanvraag
controleer actuele marktprijs

Uitvoering, levering en persoonlijk voorstel worden afgestemd.

Choose ALTIS Sigma if…

you want 98V engineering, 25 kW peak power, adjustable air suspension and your preferred road or off-road version.

View ALTIS Sigma

Choose Sur-Ron Ultra Bee if…

you specifically want the compact Ultra Bee layout with a 74V/55Ah battery, 19-inch wheels and Eco/Daily/Sports/Reverse modes.

View Sur-Ron Ultra Bee source specs

Compare for your terrain, not just a number.

The best choice follows how and where you genuinely ride.

  • Do you need off-road, private-land or road-capable use?
  • How important are power, voltage architecture and adjustable suspension?
  • Which version and current availability fit your needs?

Frequently asked questions

Does this compare every Sur-Ron model?+

No. It specifically compares ALTIS Sigma with the Sur-Ron Ultra Bee to keep the specifications clear and verifiable.

Is 25 kW versus 12.5 kW directly comparable?+

Both are manufacturer claims, but test methods, riding modes and market versions may differ.

Can I discuss ALTIS Sigma in the Netherlands?+

Yes, in Beekbergen by appointment only.

Want to turn your choice into a ride?

Plan personal advice around your riding, terrain and preferred version.