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Full disclosure.
Quick answer
We've reviewed twelve Vivi electric bikes — more than any other publication — and ranked every one from our scored reviews. The Vivi ACE01 is the best Vivi e-bike overall (7.6/10): a genuine torque sensor, 720 Wh removable battery, hydraulic brakes, and UL 2849 + UL 2271 certification at a price most brands charge for cadence-sensor bikes. If you want...
How this ranking works: every bike here has a full standalone review on this site, scored on the same 10-point editorial rubric we apply to every brand — value, real-world spec honesty, safety certification, and owner validation. The order below is our scores, highest first, with the ties broken exactly as our catalog breaks them. Most picks link to Vivi's own store (we're a Vivi affiliate partner, disclosed on every page — it's also simply where the stock and the warranty live); the 20" folder links to Amazon, its only live listing. Prices are what we verified at our last check and move often — the price buttons always fetch the live number. One thing we do that brand stores can't: our range figures are our own arithmetic from battery watt-hours, not the marketing claim, and where the two disagree we print both.
Are Vivi e-bikes good? The honest answer
Vivi is a budget direct-to-consumer brand, and after reviewing twelve of its bikes our answer is: good value, with caveats you should walk in knowing. The consistent strengths across the line: UL 2849 battery-system certification on every current model we've reviewed (genuinely rare under $500 — it's the certification strict cities and apartment landlords ask about), step-through and folding frames that fit real bodies, and pricing that undercuts the big direct brands by $300–700 for comparable spec sheets.
The caveats, printed here because their store won't: wattage marketing leads with peak numbers (a "1500W" Vivi is a 750 W rated bike — the rated figure is the one that keeps it street-legal); range claims are optimistic (our watt-hour arithmetic typically lands at half the brochure figure, and we print both numbers in every review); and the cheaper models carry the usual budget-tier hardware — mechanical brakes, basic displays. None of that is disqualifying at these prices. It is worth knowing before you click buy.
Where to buy — and why most links here go to Vivi directly
Most of the bikes on this list are stocked and warrantied in Vivi's own store, and several are no longer sold anywhere else — we watch these listings continuously and retire dead ones (the little PONY01 mini-folder, for instance, has vanished from Vivi's catalog entirely, so it's not ranked here even though we reviewed it). We're a disclosed affiliate partner of Vivi's program; as always, the ranking above is our editorial scoring and nothing else — the same rubric every brand in our catalog gets.
How to choose — the 30-second version
Want the best one, full stop? → ACE01. The torque sensor is the single biggest ride-feel upgrade in the lineup.
Capped at $500? → H7UL for spec, or the C26UL for cruiser comfort at the same price.
Step-through + fat tires? → ACE07.
Commuting, and stairs are involved? → MT26GUL at 50 lb.
Spending as little as possible? → the 20" folder at $309.99.
Not sure a Vivi is even legal where you live? Every current Vivi we rank is a Class 2 or Class 3 e-bike — run your state through the free legality checker or the state-by-state table in under a minute. (Short version: Class 2 Vivis are license-free in every state except New Jersey; see our license guide.)
The full ranking at a glance
Scores and specs restate each bike's published review; prices are Vivi-store (Amazon for the 20" folder) at our last check.
