Fat Tire Electric Bike for Adults
- Electric Bicycle
- 20 inches
- 330 pounds
- 720 Wh
- More reviewed than 84%
A powerful, well-equipped fat tire ebike that most riders found fast and comfortable, but quality control on individual units and customer support are inconsistent.
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How it ranks among the 478 electric bicycles we track
3.7★ across 96 Amazon ratings, Bayesian-smoothed toward the category average.
96 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
Modest tracked demand last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 478 electric bicycles we track - how the scorecard works · full electric bicycles data report. Confidence: medium - useful but incomplete evidence.Last refreshed Jun 21, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
A 20x4 fat tire electric bike with a 750W continuous and 1000W peak motor, a 48V 15Ah removable battery, a UL2849-certified electrical system and a triple suspension setup, rated for riders up to 330 pounds.
- 750W continuous / 1000W peak motor
- 48V 15Ah removable battery, UL2849 certified
- Triple suspension: fork, rear shock, seat post
- 330 lb (150 kg) load capacity
Who it's for
Suits riders wanting a heavy-duty, high-power fat tire commuter or trail bike with real suspension and a large battery. Less suited to anyone who wants a plug-and-play unboxing, since several buyers hit assembly defects or slow support.
What buyers say
From Amazon customer reviews.
Riders who had a smooth build praised the power, battery life and comfort, with one reviewer on their fifth ebike calling it their favorite yet and another reaching 33 mph. Others received bikes with a broken brake handle, a detached chain or an unfitting front tire, and two reviewers reported no response from the seller after requesting repairs or replacements.
Strengths and trade-offs
Drawn from this product's published specifications.
- Strong top speed, one rider reported 33 mph
- Triple suspension smooths pavement and gravel
- Real hand tools included for assembly
- Battery reportedly held charge well on long rides
- Pedal assist cannot be turned off without powering down
- Some units arrived with assembly defects
- Support response reported slow after purchase issues
Specifications
| Brand | Askmy |
|---|---|
| Model | E500 |
| Dimensions & fit | |
| Wheel Size | 20 inches |
| Maximum Weight Recommendation | 330 pounds |
| Item Weight | 44.09 pounds |
| Wheel Width | 4 inches |
| Capacity & performance | |
| Bicycle Gear Shifter Type | Trigger |
| Bicycle Drivetrain Type | chain drive |
| Number Of Speeds | 7 |
| Age Range Description | Adult |
| Power & efficiency | |
| Lithium Battery Energy Content | 720 Wh |
| Wattage | 750 watts |
| Power Source | Corded electric |
| Construction & materials | |
| Frame Material Type | Carbon Steel |
| Wheel Material | Ethylene Vinyl Acetate (EVA) |
| Color | Pure Black |
| Included components | |
| Unit Count | 1 |
| Included Components | Battery |
| Warranty & support | |
| Warranty Type | Limited |
| Warranty Description | 91 days |
| Other details | |
| Bike Type | Electric Bike |
| Suspension Type | Dual |
| Electric Assist Type | Pedal Assist |
| Is Assembly Required | Yes |
| Intended Riding Terrain | Mountain Terrain, Paved Roads, Unpaved Trails |
| Model Year | 2025 |
| Additional Features | Disc |
| Brake Style | Disc |
| Specific Uses For Product | Dirt Biking, Gravel, Road, Snow, Trail |
| Style Name | Classic |
| Derailleur Configuration | Rear |
| Theme | Outdoor Recreation |
Other Askmy electric bicycles
How it compares
This product against the closest alternatives we track in electric bicycles.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Fat Tire Electric Bike for AdultsThis product | 3.7 / 5 | 96 | 3.5 / 5 |
| Wooken Electric Bike for Adults with 500W MotorWooken | 4.4 / 5 | 312 | 4.1 / 5 |
| TotGuard Electric BikeTotGuard | 4.4 / 5 | 286 | 4.1 / 5 |
| ANCHEER 14" Folding Electric Bike for TeensAncheer | 4.2 / 5 | 329 | 4.0 / 5 |
| Gotrax 16" Folding Electric BikeBrand | 4.4 / 5 | 555 | 4.0 / 5 |
Similar electric bicycles from other brands
Questions about the Askmy E500
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
How fast does the Askmy E500 go?
Reviewers clocked it around 28-33 mph, with one rider reaching 33 mph and cruising easily at 25-30 mph.
Can I turn off pedal assist while keeping the bike on?
No, one reviewer notes pedal assist can only be disabled by powering the whole battery off, which complicates tight turns.
What is the E500's weight capacity?
The reinforced frame is rated for up to 330 pounds (150 kg).