TST Electric Bike for Adults
- Electric Bicycle
- 20 inches
- 450 pounds
- 1200 Wh
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How it ranks among the 478 electric bicycles we track
4.1★ across 6 Amazon ratings, Bayesian-smoothed toward the category average.
6 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: limited - limited rating history.Last refreshed Jun 21, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
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.
What buyers say
From Amazon customer reviews.
Most reviewers described the ride as smooth and solid with battery range matching claims, and one buyer worked through the bike's wattage math to confirm Class 2 legality in Texas. One reviewer reported a stripped factory-installed rear derailleur and an unresolved seller response over three weeks.
Strengths and trade-offs
Drawn from this product's published specifications.
- Reviewers confirm battery range delivers as advertised
- 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. Front and rear suspension is designed to absorb bumps and vibration, and reviewers confirmed smooth, solid-feeling rides along with dependable range.
Specifications
| Brand | TS TST GRP LLC |
|---|---|
| Model | R004 |
| Dimensions & fit | |
| Wheel Size | 20 inches |
| Maximum Weight Recommendation | 450 pounds |
| Capacity & performance | |
| Bicycle Gear Shifter Type | Twist Grip |
| Bicycle Drivetrain Type | chain drive |
| Number Of Speeds | 7 |
| Age Range Description | Adult |
| Power & efficiency | |
| Lithium Battery Energy Content | 1200 Wh |
| 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 Type | Limited |
| Warranty Description | 6 months |
| Other details | |
| Bike Type | Electric Bike |
| Suspension Type | Dual |
| Electric Assist Type | throttle assist |
| Is Assembly Required | Yes |
| Additional Features | LCD-Display |
| Brake Style | Disc |
| Specific Uses For Product | Road, Trail |
| Style Name | Single |
| Derailleur Configuration | Rear |
| Theme | Motorcycle |
Other TS TST GRP LLC electric bicycles
How it compares
This product against the closest alternatives we track in electric bicycles.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| TST Electric Bike for AdultsThis product | 4.1 / 5 | 6 | 2.7 / 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 |
Similar electric bicycles from other brands
Questions about the TS TST GRP LLC R004
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
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.