TST R004 Dual Suspension Fat Tire Electric Bike
- Maximum Weight Recommendation: 450 pounds
- Wheel Size: 20 inches
- Lithium Battery Energy Content: 1200 Wh
- Electric Assist Type: throttle assist
Last refreshed Jun 21, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
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ASIN: B0GH6WWFK4Model: R004Category: Electric Bicycles
More from this brandAll TS TST GRP LLC electric bicyclesOverview
The TST R004 is a fat tire electric bike with a 750W rated motor (1500W peak), a 48V 15Ah removable battery rated for up to 60 miles in pedal-assist mode, and front and rear suspension. It uses 20x4 inch tires and 7-speed gearing.
- 20x4 inch puncture-proof snow tires
- Front and rear suspension system
- LCD display for speed, distance and battery level
- Arrives 90 percent pre-assembled, weighs 66 lbs
Who it's for
Fits commuters replacing a gas-powered vehicle for daily trips, per reviewer use cases. Buyers should be prepared for a slower resolution process if a factory assembly defect shows up, based on one reviewer's experience.
Pros and cons
- Front and rear suspension for comfort on rough surfaces
- 450 lb max load capacity
- 180-day warranty included
Performance notes
The 750W rated / 1500W peak motor is rated for 40 miles in throttle mode or 50 to 60 miles in pedal-assist mode on the 48V 15Ah battery, which recharges in 6 to 7 hours.
Where it stands among electric bicycles
- 1200 Wh lithium battery energy content: longer than 80% of the electric bicycles we list.
From the specs of the 502 electric bicycles we list; not a test result.
Specifications
| Brand | TS TST GRP LLC |
|---|---|
| Model | R004 |
| Dimensions & fit | |
| Maximum Weight Recommendation | 450 poundshigher than 94% of 266 electric bicycles |
| Wheel Size | 20 inches |
| Capacity & performance | |
| Number Of Speeds | 7 |
| Bicycle Drivetrain Type | Chain Drive |
| Bicycle Gear Shifter Type | Twist Grip |
| Age Range Description | Adult |
| Power & efficiency | |
| Lithium Battery Energy Content | 1200 Whhigher than 80% of 221 electric bicycles |
| Power Source | Rechargeable Battery |
| Construction & materials | |
| Frame Material Type | Aluminum |
| Wheel Material | Aluminum |
| Color | White |
| Included components | |
| Unit Count | 1 |
| Included Components | Tool Kit |
| Warranty & support | |
| Warranty Description | 6 months |
| Warranty Type | Limited |
| Other details | |
| Electric Assist Type | throttle assist |
| Brake Style | Disc |
| Suspension Type | Dual |
| Bike Type | Electric Bike |
| Derailleur Configuration | Rear |
| Is Assembly Required | Yes |
| Specific Uses For Product | Road, Trail |
| Theme | Motorcycle |
| Additional Features | LCD-Display |
Closest rivals on specs
Frequently asked questions
How far does the TST R004 travel on a full charge?
The 48V 15Ah battery is rated for up to 40 miles in throttle mode or 50 to 60 miles in pedal-assist mode.
What is the maximum load for the TST R004?
It has a stated maximum load capacity of 450 lbs.
Has the TST R004 had reported quality control issues?
One reviewer described a factory-installed rear derailleur that arrived stripped, along with a slow seller response to resolve it.