SISIGAD
The only one here built to carry a child — and UL2849 certified.
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Six axes, the same rule for every bike. This is our judgment, not the manufacturer's.
| Range | 6/10 | |
|---|---|---|
| Push | 7/10 | |
| Comfort | 7/10 | |
| Sportiness | 4/10 | |
| Ease of use | 6/10 | |
| Value | 7/10 |
Pick a spot and see the area each bike reaches along real roads — not a circle on a map.
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Reachable area estimated over the road network. Real range varies with assist level, terrain, rider weight and wind.
This is the only bike in our US lineup actually designed to carry a passenger who isn't an adult. The child seat is integrated, not bolted on: it has a high rear guard rail and proper footboards, on an aluminum step-through frame you can mount with a kid already sitting behind you.
Two specs matter more than the rest here. It carries UL2849 certification, tested by SGS — the whole-bike fire-safety standard — which is exactly what you want on something that will be parked in a garage with a child's bike next to it. And it has hydraulic disc brakes front and rear, the only ones at this price in our lineup. On a bike loaded to 450 pounds, cable brakes would be the wrong answer.
The 720 Wh removable battery claims 60 miles, and the 750 W nominal motor is right at the US legal ceiling for an e-bike — legal, but with nothing left over.
The caveat is the sample size: 14 reviews. They're good ones, and several describe exactly the school-run use case, but fourteen people is not enough to tell you how a cargo bike holds up after two years. Amazon's warranty field also reads '70.9 in', which is garbage data — ask the seller what the warranty actually is.
Anything marked «—» is a figure the manufacturer doesn't publish. We don't fill those in by eye.
| Type of riding | Cargo |
|---|---|
| Class (US law) | Not stated by the manufacturer |
| Wheel size | 20" |
| Tire width | 3" |
| Frame material | Aluminum, step-through frame |
| Frame size | One size |
| Motor position | Rear hub |
|---|---|
| Motor | Brushless rear hub |
| Nominal power | 750 W |
| Peak power | 1.500 W |
| Torque | — |
| Top speed | — |
| Throttle | — |
| Battery | 720 Wh |
|---|---|
| Claimed range | 60 miles |
| Charge time | — |
| Removable battery | Yes |
| Gears | 7 |
|---|---|
| Drivetrain | 7-speed derailleur |
| Brakes | Hydraulic disc, front and rear |
| Suspension | Front |
| Bike weight | — |
|---|---|
| Max total weight | 450 lb |
| Assembly required | Yes |
| Warranty | — |
| Child seat | Built in, with a high rear guard rail and footboards |
|---|---|
| Certification | SGS-tested to UL2849 — the fire-safety standard for the complete bike |
| Battery | 48V 15Ah (720 Wh), removable |
| Frame | Aluminum step-through: you can get on with a child already loaded |
| Payload | 450 lb total |
| Warranty | Amazon's warranty field reads '70.9 in', which is meaningless. Ask the seller |
| Manufacturer | Shenzhen Uni-chic Technology Co., Ltd — the same factory as the TST R7 |
A summary of the reviews published on Amazon.com as of 2026-08-21.
4.5 out of 5, but from only 14 reviews — read them for the use case, not for durability. Several describe exactly what the bike is for: one buyer takes their daughter to school and does the grocery run on it daily and says the rear seat feels secure; another bought it so his wife could take their toddler to school and highlights the guard rails and footboards. One rode 90 miles the first weekend. The most useful criticism is a four-star review pointing out that the manual doesn't tell you to unscrew the saddle before fitting the rear rack seat. Nobody reports mechanical or battery problems yet — but with 14 reviews, that tells you less than it would with 600.
Reviews and prices change. Check before you decide.
See reviews and price on AmazonAdd two or more bikes to the comparison and you'll see their spec tables and charts side by side.
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