Introduction
The VIVI ACE01 Electric Bike is quickly gaining attention in the e-bike market for its rugged build, fat-tire stability, and powerful motor. Designed for off-road enthusiasts and urban riders alike, this all-terrain e-bike combines durability with long-range capability. In this review, we’ll explore its key features, performance, pros and cons, and why it’s one of the best budget-friendly fat-tire e-bikes available today.
Key Features of the VIVI ACE01
Motor Power: 750W brushless hub motor (peaks up to 1,475W)
Torque: 90Nm – excellent for hills and off-road conditions
Battery: 48V 15Ah (≈720Wh) removable lithium-ion battery
Top Speed: Up to 25mph
Range: 40–60 miles on pedal assist
Tires: 26” × 4.0” puncture-resistant fat tires
Brakes: Hydraulic disc brakes with 180mm rotors
Suspension: Adjustable front fork with lockout
Gears: Shimano 7-speed drivetrain
Safety: UL-2849 certified for battery and electrical safety
Design and Build Quality
The VIVI ACE01 features a lightweight yet durable aluminum alloy frame capable of handling up to 330 lbs of rider and cargo weight. Its 26-inch fat tires provide excellent traction on snow, sand, gravel, and uneven trails, while the adjustable suspension fork ensures a smoother ride on rough terrain. The bike’s modern design, combined with ergonomic handlebars and a comfortable saddle, makes it suitable for both long-distance rides and daily commutes.
Battery Performance and Range
One of the standout features is its 48V 15Ah battery, which is both removable and lockable for added convenience. Riders can expect:
40–60 miles on pedal assist mode
25–30 miles on pure electric throttle
With a 3A fast charger, the battery takes around 4–6 hours to fully recharge, making it practical for frequent riders.
Riding Experience
The torque sensor makes pedal assist smooth and responsive, offering a natural cycling feel compared to cadence-only systems. Riders can choose between five pedal assist levels, throttle-only mode, or cruise control. The Shimano 7-speed transmission allows flexible gear shifts, making steep climbs or flat commutes equally manageable.
Hydraulic disc brakes provide reliable stopping power, giving riders confidence on downhill trails or in wet weather.
Pros and Cons
✅ Pros
Powerful 1475W peak motor handles hills with ease
Long 40–60 mile range with removable battery
Fat tires give superb grip and stability on all terrains
Torque sensor for smoother pedal assist
Hydraulic brakes for strong and safe stopping
UL-2849 certified – ensures electrical safety compliance
❌ Cons
At 72 lbs, it’s heavy to lift or transport
No rear suspension – can feel bumpy on rocky trails
Fat tires add rolling resistance on smooth pavement
Seat comfort could be improved for very long rides
Who Is the VIVI ACE01 For?
The VIVI ACE01 is perfect for:
Outdoor adventurers who want to tackle trails, beaches, and snowy paths
Commuters looking for a reliable long-range e-bike with all-terrain capability
Riders seeking value – at under $1,000, it competes with higher-priced fat-tire models
If your primary use is urban commuting on smooth roads, you might find the bike’s weight and fat tires excessive. But for riders who crave versatility and power, the ACE01 is a solid investment.
Final Verdict
The VIVI ACE01 Electric Bike All Terrain Fat Tire is a feature-packed e-bike offering excellent performance at an affordable price point. With its powerful motor, long-range battery, hydraulic brakes, and fat tires, it’s built to handle almost any condition you throw at it.
For under $1,000, it’s hard to beat the ACE01’s balance of power, safety, and off-road capability. If you’re searching for a rugged fat-tire electric bike that won’t break the bank, the VIVI ACE01 deserves a spot on your shortlist.
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