Electric Bike for Adults
- Electric Bicycle
- 26 inches
- 330 pounds
- 1664 Wh
- Better rated than 64%
- More reviewed than 77%
A powerful, comfortable dual motor dirt bike that most owners rate highly, though treat the 5000W combined figure as a ceiling rather than a guarantee.
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How it ranks among the 478 electric bicycles we track
4.6★ across 64 Amazon ratings, Bayesian-smoothed toward the category average.
64 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 Philiam FX1 is a dual motor electric dirt bike with peak output up to 5000W combined, a 52V battery available in 32Ah or 23Ah capacity, and 26 inch fat tires with full suspension. It targets riders who want off road power alongside a claimed top speed of 35 mph.
Owners describe genuine power and a comfortable ride across a range of heights and weights, and the 4.6 rating reflects a largely satisfied buyer base. One reviewer's measured test of the combined motor output came up short of the advertised figure, worth noting for anyone buying on that number specifically.
- Dual motor, up to 5000W peak combined
- 52V battery in 32Ah or 23Ah options
- 26 inch fat tires with full suspension
- Claimed top speed of 35 mph
Who it's for
Suits riders who want strong off road torque and dual motor flexibility, switching to single motor for range and dual for climbs or dirt. Less suited to anyone who needs the advertised power figure to hold up under a precise test.
What buyers say
From Amazon customer reviews.
Buyers describe the FX1 as fast, powerful, and comfortable across different heights and weights, with several praising quick assembly and responsive customer service. The main criticism comes from a reviewer who measured the combined motor output short of the advertised 5000W figure, and another who wanted turn signals and better horn placement for the price.
Strengths and trade-offs
Drawn from this product's published specifications.
- Dual motor mode adds torque for climbs and dirt
- Quick assembly reported across multiple reviews
- Comfortable fit across a range of rider sizes
- Responsive customer service noted by several buyers
- Combined motor output measured short of advertised figure
- No turn signals
- Horn placement sits close to the headlight
Performance notes
Reviewers switch between single motor mode for battery economy and dual motor mode for steep grades or dirt roads, and describe the assembly process as quick, often under 40 minutes. Fit comments span a wide range of rider heights and weights without complaints of cramped ergonomics. One owner who tested the combined output found it fell short of the advertised figure, and another flagged the horn's placement too close to the headlight along with the absence of turn signals.
Specifications
| Brand | Philiam |
|---|---|
| Model | FX1 electric dirtbike |
| Dimensions & fit | |
| Wheel Size | 26 inches |
| Maximum Weight Recommendation | 330 pounds |
| Size | Large |
| 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 | 1664 Wh |
| Power Source | Electric motor |
| Construction & materials | |
| Frame Material Type | Aluminum |
| Wheel Material | Aluminum |
| Color | Black Red |
| Included components | |
| Included Components | (1) 90% Assembly Bike; (2) Motor; (3) a Lithium Battery; (4) LCD Display; (5) Charger; (6) Front and Rear Fender ; (7) Front and Rear Suspension; (8) Headlight; (9) Tail Light; (10) Horn; (11) 2 Battery Keys; (12) User Manual; (13) 26'' Fat Tire; (14)Saddle and Seat Post; (15) Right and Left Pedal; (16) Kickstand; (17) Install Tools; |
| Warranty & support | |
| Warranty Type | Limited |
| Warranty Description | 1 year |
| Other details | |
| Bike Type | Red 5000W |
| Suspension Type | Dual |
| Electric Assist Type | pedal assist |
| Is Assembly Required | Yes |
| Additional Features | Digital Display, Dual Disc Brake, Dual SuspensionDual Suspension, Durable, Fenders |
| Brake Style | Disc |
| Specific Uses For Product | Dirt Biking |
| Style Name | Classic |
| Derailleur Configuration | Rear |
| Theme | Sport |
Other Philiam electric bicycles
How it compares
This product against the closest alternatives we track in electric bicycles.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Electric Bike for AdultsThis product | 4.6 / 5 | 64 | 4.1 / 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 Philiam FX1 electric dirtbike
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
Can you ride the Philiam FX1 on a single motor to save battery?
Yes, reviewers describe switching to single motor mode for everyday riding and battery economy, then engaging dual motor mode for steep grades or dirt roads.
How long does assembly take on the FX1?
Multiple reviewers report completing assembly in under 40 minutes without help.
Does the FX1 actually hit its advertised 5000W combined output?
One reviewer who tested it found the real combined output did not reach the advertised figure, so treat that number as a peak spec rather than a fixed guarantee.