GREATWORK 52V 5000W Peak Dual Motor Electric Bike for Adults
- Electric Bicycle
- 26 inches
- 330 pounds
- 1300 Wh
- More reviewed than 70%
A genuinely powerful dual-motor fat tire e-bike that reviewers confirm comes close to its rated speed, though front suspension travel is limited for heavier riders.
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How it ranks among the 478 electric bicycles we track
4.0★ across 49 Amazon ratings, Bayesian-smoothed toward the category average.
49 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
A dual-motor fat tire electric mountain bike with a 52V 1300Wh battery, full suspension and a rated top speed of 45 mph, built on 26 by 4.0 inch tires with a switchable single or dual motor system.
Two 2000W motors combine for a claimed 5000W peak and 180 N·m of torque, with a handlebar button to switch between single and dual motor modes. It ships 85 percent pre-assembled, and reviewers back the speed claims closely, though the front suspension has limited travel.
- Dual 2000W motors for a claimed 5000W peak output
- 1300Wh 52V 25Ah removable, lockable battery
- 26 by 4.0 inch fat tires with full suspension
- 3.5 inch LCD display and dual hydraulic brakes
What buyers say
From Amazon customer reviews.
Buyers report strong build quality and speed close to the rated 45 mph, with assembly taking roughly one to two hours. Complaints include front suspension that bottoms out for heavier riders, one report of a bolt failure on the rear brake, and one case of the bike shutting off mid-ride with no resolution from the seller or Amazon.
Strengths and trade-offs
Drawn from this product's published specifications.
- Reaches close to its rated 45 mph top speed
- Switches between single and dual motor modes
- Handles steep climbs and riders around 260 lbs
- Front suspension bottoms out for heavier riders
- Real-world range falls short of the 100 mile claim
- Heavier overall than single-motor e-bikes
Performance notes
The dual 2000W motors combine for a claimed 5000W peak with 180 N·m of torque, switchable between single and dual motor via a handlebar button. The 1300Wh 52V battery is removable and lockable, and dual hydraulic brakes are rated to stop within about 2 seconds.
Specifications
| Brand | Greatwork |
|---|---|
| Model | M8PRO |
| Dimensions & fit | |
| Wheel Size | 26 inches |
| Maximum Weight Recommendation | 330 pounds |
| Item Weight | 87 pounds |
| Size | 26 inches |
| Wheel Width | 4 inches |
| Capacity & performance | |
| Bicycle Gear Shifter Type | Twist Grip |
| Bicycle Drivetrain Type | mid drive |
| Number Of Speeds | 7 |
| Age Range Description | Adult |
| Power & efficiency | |
| Lithium Battery Energy Content | 1300 Wh |
| Wattage | 4000 watts |
| Power Source | Electric motor |
| Construction & materials | |
| Frame Material Type | Aluminum |
| Wheel Material | Aluminum |
| Color | M8 PRO Black |
| Included components | |
| Included Components | Cargo Rack, Kickstand, Mudguard, Tool Kit |
| Warranty & support | |
| Warranty Description | 1 year |
| Other details | |
| Bike Type | Mountain Bike |
| Suspension Type | Dual |
| Electric Assist Type | mid-drive motor, pedal assist |
| Additional Features | Adjustable Seat, Dual Disc Brake, Dual Suspension, LCD-Display, Multi-Speed |
| Brake Style | Disc |
| Specific Uses For Product | Dirt Biking, Gravel, Road, Snow, Trail |
| Derailleur Configuration | Rear |
| Theme | Sport |
Other Greatwork electric bicycles
How it compares
This product against the closest alternatives we track in electric bicycles.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| GREATWORK 52V 5000W Peak Dual Motor Electric Bike for AdultsThis product | 4.0 / 5 | 49 | 3.6 / 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 Greatwork M8PRO
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
How fast does the GREATWORK e-bike actually go?
It's rated up to 45 mph, and reviewers report reaching around 40 to 46 mph on flat pavement.
What is the real-world range?
One rider logged about 26 miles per charge in pedal-assist commuting conditions, well under the 100 mile claim, likely reflecting lower-assist settings and rider weight.
Can you switch between one motor and two?
Yes, a button on the left handlebar switches between single-motor and dual-motor modes.