Electric Bike for Adults 48V/20AH Battery 1500W Peak Motor
- Electric Bicycle
- 20 inches
- 350 pounds
- 960 Wh
- More reviewed than 72%
As an all-terrain fat-tire ebike, it delivers real trail capability at a fair price, but buyers should expect a real-world top speed closer to 20 to 21 mph and be prepared to chase down their own parts if electronics fail.
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How it ranks among the 478 electric bicycles we track
4.1★ across 53 Amazon ratings, Bayesian-smoothed toward the category average.
53 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
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
The kulifoo EF-102 is a fat-tire electric bike with a 1500W peak motor and a 48V 20Ah battery, aimed at riders who want an all-terrain ebike for trails, sand, or snow rather than pavement commuting alone. It ships about 90 percent assembled with dual disc brakes and multi-level suspension.
Kulifoo markets a 25 mph top speed and Class 3 compliance, but multiple buyers who timed their own rides reported topping out closer to 20 to 21 mph, so the advertised figure reads as a ceiling rather than a guarantee. The 1500W peak rating describes a burst figure, not sustained output, which is standard for this class of ebike but worth knowing before comparing it to a continuously-rated motor spec.
- 1500W peak motor, 48V 20Ah battery
- 20 inch fat tires with multi-level suspension
- Dual disc brakes
- 3 ride modes plus 6-speed Shimano gearing
Who it's for
Riders who want one bike that can handle mixed terrain such as mountain trail, sand, snow, or road, and who are comfortable finishing assembly and occasional troubleshooting themselves. Less suited to someone who wants a plug-and-play commuter with responsive manufacturer support if something breaks.
What buyers say
From Amazon customer reviews.
Buyers who received the bike mostly assembled generally called it good quality for the price and praised the full suspension and comfort, with one reporting a 13 year old rider putting it through rough daily use with no issues. Recurring complaints include a top speed short of the advertised 25 mph, unclear assembly instructions, a non-adjustable seat, and difficulty reaching the seller for replacement parts like the LCD display; one buyer also reported a non-functioning front brake.
Strengths and trade-offs
Drawn from this product's published specifications.
- Fat tires and suspension suited to trail, sand, and snow
- Arrives about 90 percent assembled
- Dual disc brakes and 6-speed Shimano drivetrain
- 350 lb frame capacity
Performance notes
The 1500W peak motor and Class 3 tuning are meant to climb grades up to 30 degrees, and the multi-level suspension paired with 20 inch puncture-resistant fat tires is built to absorb rough terrain. Three ride modes (pure electric, pedal-assist, and manual) plus a 6-speed Shimano drivetrain and dual disc brakes cover both easy cruising and a workout-oriented ride, with a stated 40-mile range on a 5 to 6 hour charge.
Specifications
| Brand | kulifoo |
|---|---|
| Model | EF-102 |
| Dimensions & fit | |
| Wheel Size | 20 inches |
| Maximum Weight Recommendation | 350 pounds |
| Wheel Width | 4 inches |
| Capacity & performance | |
| Bicycle Gear Shifter Type | Twist Grip |
| Bicycle Drivetrain Type | Derailleur |
| Number Of Speeds | 6 |
| Age Range Description | Adult |
| Power & efficiency | |
| Lithium Battery Energy Content | 960 Wh |
| Wattage | 750 watts |
| Power Source | Electric motor |
| Construction & materials | |
| Frame Material Type | Carbon Steel |
| Wheel Material | Aluminum |
| Color | Brown |
| Included components | |
| Included Components | 1x20"Electric Bike 1xCharger 1xTool Kit 1xAir Pump |
| Warranty & support | |
| Warranty Description | 2 years |
| Other details | |
| Bike Type | Electric Bike |
| Suspension Type | Front |
| Electric Assist Type | Pedelec |
| Is Assembly Required | No |
| Intended Riding Terrain | Mountain Terrain, Paved Roads, Unpaved Trails |
| Additional Features | Durable |
| Specific Uses For Product | Dirt Biking, Freestyle, Gravel, Jumping, Snow |
| Style Name | Retro |
| Derailleur Configuration | Rear |
How it compares
This product against the closest alternatives we track in electric bicycles.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Electric Bike for Adults 48V/20AH Battery 1500W Peak MotorThis product | 4.1 / 5 | 53 | 3.7 / 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 |
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Questions about the kulifoo EF-102
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
What is the real-world top speed of the kulifoo EF-102?
Kulifoo advertises 25 mph, but several buyers who tested their own bikes reported a top speed closer to 20 to 21 mph.
Does the kulifoo EF-102 ebike arrive assembled?
It ships about 90 percent built, with buyers typically needing to attach the front wheel and seat before riding.
What is the weight capacity of the kulifoo EF-102?
The carbon steel frame is rated for riders up to 350 lbs.