Vanpowers GrandTeton-Ultra Electric Fat Tire Mountain eBike

The Vanpowers GrandTeton-Ultra is a high-performance electric mountain bike engineered for riders who demand power, durability, and all-terrain capability. Whether you’re exploring rugged trails, gravel paths, or steep climbs, this elite mid-drive fat-tire eBike delivers unmatched versatility and control.

Available now at EBike Oasis in Pelham, Alabama and Montgomery, Alabama — and we ship anywhere in the continental U.S.

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Motor & Battery Performance

Powered by the advanced Ananda® M100 48V/500W mid-drive motor (900W peak) delivering 130N·m torque, the GrandTeton-Ultra offers outstanding climbing ability and smooth power delivery on any terrain.
The long-range 48V 14.7Ah (705.6Wh) Samsung cell battery, paired with a smart BMS and IP67 waterproof rating, provides up to 93 miles of range on a single charge.

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Pedal Assist & Ride Modes

This eBike features a natural-feeling torque sensor with multiple pedal-assist levels, delivering intuitive power that matches your riding effort. Whether you're tackling steep hills or cruising on flat terrain, the motor adapts for a seamless riding experience.

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Frame & All-Terrain Design

Built with a rugged aluminum alloy frame, the GrandTeton-Ultra is crafted to withstand harsh outdoor environments.
Its fat tires enhance off-road handling, stability, and traction—making it perfect for riders who need reliability on dirt, rock, snow, or sand.

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Brakes & Drivetrain

Equipped with Tektro® HD-E350 hydraulic disc brakes, this electric mountain bike offers consistent braking across all conditions. The durable drivetrain ensures smooth, controlled transitions for technical or high-speed riding.

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Why Riders Choose This Bike

✔ High-torque mid-drive motor for steep hills
✔ Long-range Samsung-cell battery
✔ Rugged fat-tire adventure capability
✔ Premium hydraulic braking
✔ Built for mountain, gravel, and off-road riding
✔ Local Alabama service + nationwide shipping

What's in the Box
The package includes the Vanpowers GrandTeton Ultra Ebike, a user manual, a toolkit for assembly, a battery charger, a rear rack, fenders, front and rear lights, pedals, and a kickstand.