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No Longer Available
Update (May 2026): The Stopsad foldable electric bike has been discontinued and is no longer sold by major retailers. If you’re shopping now, here are current, in-stock budget e-bikes we’d recommend instead:
- Jasion EB3 — closest match: a budget folding e-bike from an established brand with its own warranty and support.
- Gotrax Nano 14 — compact folding commuter, easy to find at Amazon and Walmart.
- SZTPS Electric Bike — a step up if you want more motor power and range.
Stopsad Foldable Electric Bike (500W) — ★★★½ (3.5/5)
A lot of spec for the money — 500W, 48V battery, foldable frame — but it’s an unbranded Amazon bike, so the low price comes with trade-offs in support, weight, and component quality.
- Best for: budget-minded commuters and casual riders who want e-bike assist without spending $1,500+
- Skip if: you need a light bike to carry often, dealer support, or a torque-sensor ride
Quick Specs
| Motor | 500W |
| Battery | 48V 12Ah removable lithium |
| Top speed | ~20 mph |
| Claimed range | “Up to 50 miles” (assist-dependent — see below) |
| Drivetrain | 21-speed |
| Assist | 5 PAS levels + throttle |
| Suspension | Dual shock |
| Wheels | 26″ |
| Frame | Foldable steel |
| Display | LED meter (speed + battery) |
Bottom line: The Stopsad 500W foldable e-bike delivers strong specs for an entry-level price — enough power and battery for most commutes and casual trail rides. The catch is what “budget” and “unbranded” usually mean: it’s heavy for a “foldable,” support is thin, and real-world range lands well under the 50-mile claim.
Power & Ride
The 500W motor and 48V system put it on par with other budget commuters: confident on flats and gentle hills, ~20 mph top assisted speed. With 5 PAS levels plus a throttle, you can ride it pedal-light or near-effortless. Like most bikes in this class it almost certainly uses a cadence sensor (not torque), so assist engages in steps rather than smoothly matching your effort — fine for commuting, less refined than a $1,500+ bike.
Range Reality
Treat “up to 50 miles” as a best-case figure at the lowest assist with active pedaling. Plan for roughly 20–30 miles of real commuting range on a 48V 12Ah pack with throttle use, hills, or a heavier rider. The removable battery is a genuine plus — charge it at your desk.
Folding & Portability
It folds, which helps for car trunks and apartment storage. But budget 26″ e-bikes in this class typically weigh 60+ lbs, so “portable” is relative — you won’t comfortably carry it up stairs or onto a train daily. Think “fits in a trunk,” not “grab-and-go.”
Components & Assembly
Expect entry-level parts: mechanical disc brakes, a basic 21-speed derailleur, and dual suspension that smooths bumps more than it performs technically. It ships ~85% assembled; budget 30–45 minutes and check that the brakes and derailleur are properly adjusted out of the box (common on inexpensive direct-ship bikes).
Pros & Cons
Pros
- Strong spec-for-price: 500W + 48V + dual suspension at an entry price
- Removable battery (charge anywhere)
- 5 PAS levels + throttle = flexible
- Folds for car/apartment storage
Cons
- Heavy (~60+ lbs) — “foldable” ≠ easy to carry
- Unbranded: uncertain support, warranty, and parts availability
- Range claim is optimistic; plan for ~20–30 real miles
- Cadence-sensor assist + basic components (mechanical brakes)
How it Compares
- Similar budget commuters: SZTPS Electric Bike · Jasion EB3
- Known-brand alternative: Gotrax Nano 14
- See the full ranking: Best Budget Electric Bikes for Adults
- Browse all: Electric Bikes hub
Final Verdict
If you want the most e-bike spec for an entry-level budget and can live with the weight and unbranded-support trade-offs, the Stopsad is a reasonable first e-bike. Riders who prioritize portability, ride refinement, or dealer support should size up to a known brand.
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FAQ
What’s the real range?
Plan for ~20–30 miles in typical commuting; the 50-mile figure assumes lowest assist with steady pedaling.
How long to charge?
About 4–6 hours for a full charge.
Can I ride it in the rain?
Light rain is generally fine; avoid heavy rain or submersion to protect the electronics.
How heavy is it?
Expect 60+ lbs. It folds for storage but isn’t easy to carry far.
Is assembly hard?
No; it ships ~85% pre-assembled. Just check the brake and gear adjustment before your first ride.

