Kingbull Hunter 2.0S Mountain Fat Tire Electric Bike vs VIVI ACE01 Pro Electric Bike
Buy the Kingbull Hunter 2.0S if you want the bigger battery, longer stated range and a well-reviewed all-terrain bike. Buy the VIVI ACE01 Pro if you want a torque sensor, app features and the lower price. The Kingbull is $899.00 at Kingbull Bike as of November 4, 2026. The VIVI is $873.00 at Walmart as of November 4, 2026, and it hit $734.82 on October 31.
Today the VIVI ACE01 Pro Electric Bike costs $26.00 less at its best price.
Ask our shopping agent

Kingbull Hunter 2.0S Mountain Fat Tire Electric Bike
4.9Choose the Kingbull Hunter 2.0S if you want an 864Wh battery, up to 80 miles of pedal-assist range and the stronger 4.9-star rating from 809 buyers.
- 864Wh battery and up to 80 miles of pedal-assist range.
- 4.9 out of 5 from 809 ratings, a large sample.
What separates them
| Kingbull Hunter 2.0S Mountain Fat Tire Electric Bike | VIVI ACE01 Pro Electric Bike | |
|---|---|---|
| Price as of November 4, 2026 | $899.00 at Kingbull Bike | $873.00 at Walmart |
| Battery | 48V 18Ah (864Wh) | 48V 15Ah (720Wh), removable |
| Stated pedal-assist range | Up to 80 miles | Up to 60 miles |
| Motor | 750W hub, 1300W peak, 85Nm | Hub motor, 749W peak claimed in the listing, 1500W peak and 90Nm on the product page |
| Pedal assist sensor | Cadence assist | Torque sensor |
| App and security | Not listed | Route tracking, GPS navigation, anti-theft alarm |
| Brakes and tires | Dual-piston hydraulic discs, 26" x 4.0" fat tires | Hydraulic brakes, 26" x 4.0" fat tires |
Price history
- Kingbull Hunter 2.0S Mountain Fat Tire Electric Bike: lowest $899.00 on Nov 3 at Kingbull Bike; $949.00 on Nov 4.
- VIVI ACE01 Pro Electric Bike: lowest $734.82 on Oct 31 at Amazon.
Prices at every store
Kingbull Hunter 2.0S Mountain Fat Tire Electric Bike
- Kingbull BikeNew
In stock
$899.00Free shippingObserved Nov 3, 2026, 9:48 AM - Riding 5 Electric Bikes officeNew
In stock
$949.00Free shippingObserved at 12:21 AM
Also available at
- Kingbull BikesCheck price at Kingbull Bikes
- AmazonCheck price at Amazon
- BikeBerry.comCheck price at BikeBerry.com
VIVI ACE01 Pro Electric Bike
- WalmartNew
In stockSold by Vivi StoreReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
$873.00Free shippingVerified
Also available at
- AmazonCheck price at Amazon
- VIVICheck price at VIVI
Specs compared
| Spec | Kingbull Hunter 2.0S Mountain Fat Tire Electric Bike | VIVI ACE01 Pro Electric Bike |
|---|---|---|
| Frame Material | Steel | Steel |
| Color | Black | Steel Blue |
| With Hydraulic Brake | Yes | Yes |
| Type | Mountain | — |
| Number Of Speeds | 7 speed | — |
| Tire Width | 4 inch tires | — |
| actual_color | — | Green |
What reviewers say
Kingbull Hunter 2.0S Mountain Fat Tire Electric Bike
Owners rate it 4.9 out of 5 across 809 ratings and describe a smooth, confident ride on grass, dirt, gravel and loose ground. Power on hills and the hydraulic brakes draw the most praise; the derailleur and headlight are the recurring gripes.
- Smooth ride over grass, dirt and gravel
- Strong power on steep hills
- Easy assembly, mostly pre-assembled
- Fat tires and responsive hydraulic brakes build confidence
- Derailleur needs adjusting and sometimes hangs between 1st and 2nd
- Headlight not bright enough and can be outrun at top speed
- Bike is heavy to move around
VIVI ACE01 Pro Electric Bike
With 4.7 out of 5 from 118 ratings, owners mostly praise the power and the natural feel of the torque sensor. One reviewer calls it the most powerful peak single-motor e-bike they have tried and says it pulls hard.
Questions and answers
- Which is better for long rides?
- The Kingbull. Its 864Wh battery is rated for up to 80 miles in pedal assist versus 60 miles for the VIVI's 720Wh pack.
- Is the VIVI worth the savings?
- Yes if you want a torque sensor and app features. It is $873.00 at Walmart as of November 4, 2026, $26 under the Kingbull, and it fell to $734.82 on October 31.
- Which has the better motor?
- Hard to call. The Kingbull states 750W nominal, 1300W peak and 85Nm. The VIVI's own materials disagree, listing 749W peak in the description and 1500W peak with 90Nm on the product page.
- Which is better reviewed?
- The Kingbull, at 4.9 out of 5 from 809 ratings. The VIVI is 4.7 out of 5 from 118 ratings.
- Do both have hydraulic brakes and fat tires?
- Yes. Both use hydraulic disc brakes and 26 x 4.0-inch fat tires, and both have steel frames.
- Which is better for hills?
- Both claim strong torque. The VIVI's torque sensor adjusts assist to pedal effort, which helps on climbs, but its motor figures are inconsistent, so the Kingbull's stated 85Nm is the firmer number.
More comparisons
- Aipas M1 Pro Xterrain ST Ebike vs Kingbull Hunter 2.0S Mountain Fat Tire Electric Bike
- Aipas M2 Pro Xterrain Ebike vs Kingbull Hunter 2.0S Mountain Fat Tire Electric Bike
- Kingbull Hunter 2.0S Mountain Fat Tire Electric Bike vs Aventon Aventure 3
- Kingbull Hunter 2.0S Mountain Fat Tire Electric Bike vs Velotric Summit 1 Ebike
- VIVI ACE01 Pro Electric Bike vs Hiboy P6 Fat Tire Electric Bike
- Kingbull Hunter 2.0S Mountain Fat Tire Electric Bike vs Hiboy P6 Fat Tire Electric Bike
- Kingbull Hunter 2.0S Mountain Fat Tire Electric Bike vs Kepler 52V Fat Tire E-bike
- Kingbull Hunter 2.0S Mountain Fat Tire Electric Bike vs V8 Fat Tire Electric Bike