Vivi ACE07 750W UL-Certified All-Terrain Fat Tire Electric Bike

The Vivi ACE07 Electric Bike emerges as a robust contender in the adult electric mountain bike market, blending power, versatility, and safety certifications into a package designed for adventure seekers and daily commuters alike. With its UL 2849 and UL 2271 certifications (Certificate Numbers SGSNA/24/SZ/00323 and SGSNA/24/SZ/00320U), this e-bike underscores a commitment to quality and safety, making it a reliable choice for riders prioritizing compliance and durability. Below, we delve into the key features, performance metrics, and real-world user experiences that define this fat tire electric bike.

Power and Performance: Conquering Terrains with Ease
At the heart of the Vivi ACE07 lies a 750W continuous-rated motor capable of peaking at 1475W, delivering 90Nm of torque. This setup enables the bike to tackle steep inclines, rugged trails, and urban obstacles effortlessly. Riders frequently highlight its ability to maintain speeds up to 25 mph, a feature appreciated by those seeking efficiency during commutes or thrill during off-road excursions. One user noted, “It’s fast and handles hills like a champ,” emphasizing the motor’s responsiveness in varied conditions. The five pedal-assist levels allow customization based on terrain or energy conservation preferences, while the twist-grip shifter ensures smooth transitions across its 7-speed drivetrain.

Battery Life and Charging: Freedom to Explore
Equipped with a 48V 15Ah (720Wh) removable lithium-ion battery, the ACE07 offers a range of 40–60 miles per charge, depending on riding mode and terrain. The battery’s integration into the frame not only enhances aesthetics but also deters theft. Users appreciate the flexibility to charge on or off the bike, with a 3A charger replenishing the battery in 4–6 hours. “The battery lasts a long time, even on mixed terrain,” shared a rider who uses the bike for both trail adventures and errands. The inclusion of 21700 battery cells ensures longevity and stability, critical for extended rides.

Design and Durability: Built for the Long Haul
Constructed from lightweight aluminum alloy, the ACE07’s frame balances strength and portability, supporting up to 330 lbs. Its 26×4.0-inch fat tires provide exceptional traction on sand, snow, and uneven trails, earning praise for their grip and durability. The adjustable front suspension fork absorbs shocks, enhancing comfort during off-road rides. However, some riders noted the bike’s minimum seat height (63 inches) might challenge shorter individuals. One user mentioned, “At 5’6”, I tip-toe at the lowest setting,” suggesting prospective buyers consider their inseam. Despite this, the highly adjustable seat and handlebars cater to riders from 5’3” to 6’5”, offering a customizable fit.

User Experience: Real-World Insights
Riders consistently commend the ACE07’s intuitive LCD display, which provides real-time data on speed, distance, assist level, and battery status. The five riding modes—pure electric, pedal-assist, manual, cruise control, and walk assist—cater to diverse needs, from leisurely strolls to intense workouts. A commuter shared, “I switch between modes depending on traffic—it’s seamless and efficient.” The inclusion of fenders, a headlight, and dual disc brakes adds practicality and safety for night rides or wet conditions.

While most reviews skew positive, a few users reported issues with brake performance. One rider experienced front brake detachment mid-ride, while others found the rear brake’s stopping power inconsistent. However, these instances were mitigated by responsive customer service, with the brand offering timely replacements. Another rider received a bike with minor shipping damage but noted, “It rides great despite the cosmetic flaw,” highlighting the bike’s resilience.

Safety and Certification: A Trustworthy Investment
The UL certifications distinguish the ACE07 in a market saturated with uncertified models. These certifications validate the battery’s fire safety (UL 2271) and overall electrical system reliability (UL 2849), providing peace of mind for riders concerned about lithium-ion risks. The aluminum frame and reinforced joints further enhance structural integrity, ensuring the bike withstands rigorous use.

Versatility Across Terrains
The ACE07’s fat tires and suspension system make it a true all-terrain vehicle. Riders have navigated mountain trails, sandy beaches, and snowy paths with ease, praising the tires’ puncture resistance and shock absorption. “It’s unstoppable on gravel and snow,” remarked an outdoor enthusiast. The motor’s torque proves invaluable on technical trails, while the pedal-assist modes reduce fatigue during long-distance rides.

Assembly and Support
Arriving 85% pre-assembled, the bike requires minimal setup, achievable via the included manual or online tutorials. Users found the process straightforward, though some recommended professional assembly for brake calibration. Vivi’s one-year warranty on the motor, battery, and controller, coupled with 24/7 customer support, underscores their commitment to post-purchase satisfaction. A buyer praised, “Their team resolved my query within hours,” reflecting the brand’s dedication to service.

Conclusion
The Vivi ACE07 Electric Bike stands out as a versatile, safety-certified option for riders seeking power, range, and adaptability. Its robust motor, long-lasting battery, and all-terrain capabilities cater to both adventurers and daily commuters. While minor issues like brake adjustments and seat height may arise, the bike’s overall performance and responsive support network make it a compelling choice. Whether navigating city streets or backcountry trails, the ACE07 delivers a reliable, exhilarating ride backed by industry-leading certifications.

ASIN: B0DK4R38XX

Vivi Electric Bike 26" x 4.0 Fat Tire Electric Bicycle, 1000W Peak Motor Electric Mountain Bike, 25MPH Ebikes for Adults with 48V 13AH Removable Lithium-Ion Battery, Up to 60 Miles

$549.99 (as of July 5, 2025 21:59 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

【Powerful Motor】: The Vivi fat tire electric bike features a 48V 500W motor (Peak 1000W) that delivers high-speed, brushless performance. This gives it excellent climbing ability and plenty of power for your daily commute. With a top speed of 25mph, ... read more

Vivi Electric Bike for Adults 750W Peak Folding Electric Mountain Bike 26'' Commuter Ebike 22MPH Adult Electric Bicycles with Removable Battery, Up to 50 Miles, LCD Display, Dual Shock Absorber

$315.99 (as of July 5, 2025 16:21 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

STRONG POWER&REMOVABLE BATTERY- The electric bike foldable features a 500W (peaking at 750W) high-speed brushless motor, allowing you to hit speeds up to 22 mph. It comes with a detachable 48V 374.4Wh lithium-ion battery that charges in just 4-5 hour... read more

Vivi Electric Bike, 26'' Electric Bike for Adults, 750W Peak Ebike with 48V Removable Battery, Electric Commuter Cruiser Bike 22MPH & 50 Mile City Electric Bicycle with Cruise Control

$444.99 (as of July 5, 2025 15:48 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

【STRONG POWER & REMOVABLE BATTERY】 - Equipped with a 500W high-speed brushless motor (750W peak power), this bike offers a top speed of 22 mph, making it perfect for daily commuting or short trips. The removable 48V 374.4Wh lithium-ion battery provid... read more

MAGICYCLE Fat Tire Electric Bike for Adults 750W Motor E Bike 52V 20Ah Step-Thru 20" Electric Mountain Bike for Beach Snow 80 Miles 7 Speeds

$1,699.99 (as of July 5, 2025 15:48 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

52V 20Ah Battery Fast Charge: 4-7 hours fast charge battery capacity. The relatively low current of 52V 20Ah batteries help reduce the risk of overheating the battery system, which is rechargeable 900+ cycles. Our electric bike long range is up to 80... read more

cozytrikes Fat Tire Heavy-Duty Electric Tandem Bike | 750W Motor, 500 lbs Load Capacity

$3,299.00 (as of July 5, 2025 15:48 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

Motor: The PowerBooster upgrade is available from the manufacturer only (Cozytrikes dot com) Comfortable ergonomic design for all-day rides Heavy-duty tandem design perfect for two riders Heavy-duty frame for stability and strength For more detailed ... read more

LISEN Bike Phone Holder, [Super Easy Install] Ultra Stable Motorcycle Phone Mount, Bicycle Handlebar Holder Mount for Adults Kids, Bike Bicycle Ebike Gear Accessories, for iPhone Samsung Google Pixel

25% Off $19.99 $14.98 (as of July 5, 2025 16:27 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

[Ultra-Secure] With our uniquely designed bike phone holder mount, whether navigating bumpy roads or high-speed roads, your phone remains securely fastened to the handlebar. Its all-round shape firmly secures each corner of your phone, providing exce... read more

Puroma Bike Cover for 1 bike, 190T Outdoor Waterproof Bicycle Covers Rain Sun UV Dust Wind Proof with Lock Hole for Mountain Road Electric Bike (Basic Black)

28% Off $16.99 $12.23 (as of July 5, 2025 16:27 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

Premium Weather Protection: Our bike cover is made from waterproof polyester with both PU and UV coatings, providing protection from rain, snow, dust, and bird droppings - ensuring your bike remains in excellent condition whatever the weather throws ... read more

ROCKBROS Bike/Bicycle Phone Front Frame Bag, Waterproof, Tube Bag,Cycling Pouch, Bike Accessories for Men Compatible Phone Under 7”

10% Off $28.89 $25.99 (as of July 5, 2025 16:22 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

LARGE SPACE: Bike bag has enough inside room for long rides, holds a lot of stuff like phone, battery, energy gel, small tire pump, repair kits, keys, wallet etc. Perfect compatible with cellphones below 7 inches, compatible with the most popular pho... read more

ANCHEER Electric Bike for Adults with 500W Motor[Peak 750W], 48V 499Wh Ebike, Up to 55 Miles, 3H Fast Charge, 26'' Gladiator Electric Mountain Bike, LCD Display, 21Speed, 22MPH Adults Electric Bicycle

$239.99 (as of July 5, 2025 16:22 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

🚲【STRONG POWER】Equipped with 48V 500W(peak 750w) brushless motor generates great power, provids more than enough to power your daily commute, a cruise on the mountain, or a meander along your favorite trail. With speeds up to 22 mph, it will get you ... read more

Gotrax NEPHELE 16" Folding Electric Bike, Max Range 28Miles(Pedal-assist) &15.5Mph Power by 350W Motor, Front Suspension&Adjustable Seat and Handlebar, Commuter Electric Bicycle for Adults/Teens Black

$550.00 (as of July 5, 2025 16:00 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

【Powerful Riding Performance】Gotrax NEPHELE electric bike is powered by 350W brushless motor with max speed of 15.5MPH. Equipped with 16" tires and a 280.8Wh removable battery, it can travel 15.5miles on pure electric mode with just 5.5 hours of char... read more