How the Gunai Ridstar H20 Motor, Max Speed Max Range . performs, on paper
Computed from this bike's catalogue figures with the published formulas. Nothing here was measured on a ride.
The catalogue entry for this bike is missing or implausible, so we do not publish a range estimate. How we work this out
Left out because they do not state it: battery 1, top speed 7.
- Purchase price
- €999
- Purchase price
- $1,079
- Purchase price
- $1,079
- Purchase price
- $1,079
- Resale value
- −€244
- Resale value
- −$263
- Resale value
- −$263
- Resale value
- −$263
- Charging
- €109
- Charging
- $65
- Charging
- $124
- Charging
- $122
- Servicing
- $648
- Battery replacement
- $0
Purchase price: the list price in Europe.
Purchase price: the euro list price converted at the site's fixed rate, because the brand states no price of its own in this market.
Purchase price: the euro list price converted at the site's fixed rate, because the brand states no price of its own in this market.
Purchase price: the euro list price converted at the site's fixed rate, because the brand states no price of its own in this market.
Charging at $0.173/kWh, the average household price (EIA, 2025, annual average). Where these prices come from
Defaults: 5 years, 3107 mi a year, fuel $1.84/L at 7 L/100 km, transit pass $65/month. Same maths as the cost-of-ownership calculator for the bike (price, charging, servicing, battery, resale) and the savings calculator for the car.
Run it with your own numbersOr compare with your own commute
Fit for the e-bike rules
- USExceedsRated motor 1000 W is above the 750 W e-bike limit here.On the figures the brand states; not legal advice
- CanadaExceedsTop speed 45 km/h (28.0 mph) is above 32 km/h (20 mph), the e-bike limit here; other vehicle rules apply. Rated motor 1000 W is above the 500 W e-bike limit here.On the figures the brand states; not legal advice
- UKExceedsTop speed 45 km/h (28.0 mph) is above 15.5 mph (25 km/h), the e-bike limit here; other vehicle rules apply. Rated motor 1000 W is above the 250 W e-bike limit here.On the figures the brand states; not legal advice
- EUExceedsTop speed 45 km/h (28.0 mph) is above 25 km/h (15.5 mph), the e-bike limit here; other vehicle rules apply. Rated motor 1000 W is above the 250 W e-bike limit here.On the figures the brand states; not legal advice
- AustraliaExceedsTop speed 45 km/h (28.0 mph) is above 25 km/h (15.5 mph), the e-bike limit here; other vehicle rules apply. Rated motor 1000 W is above the 250 W e-bike limit here.On the figures the brand states; not legal advice
Gunai Ridstar H20 Motor, Max Speed Max Range . specifications
The catalogue's figures, as the brand states them. A dot shows where a figure sits among Folding bikes.
The model
- BrandGunai
- ModelRidstar H20 Motor, Max Speed Max Range .
- TypeFolding
- Available inEurope
Motor and power
- Motor power1,000 W
- Motor torqueNot stated
Battery and range
- Battery720 Wh48 V × 15 Ah
- Claimed rangeNot stated
- Estimated rangeNo estimate
Frame and weight
- Weight0 lb
- FoldableYes
- Step-throughNot stated
- CargoNo
Speed, class and controls
- Top speed28 mph
- ThrottleNot stated
- Fast (28 mph)Not stated
Price
- Price$1,079
Where the figure sits among Folding bikes, from lowest to highest
Questions about the Gunai Ridstar H20 Motor, Max Speed Max Range .
How much does the Ridstar H20 Motor, Max Speed Max Range . cost?
The catalogue list price is Europe €999. A list price is what the brand states, not what a shop charges today.
What are the Ridstar H20 Motor, Max Speed Max Range .'s specs?
The Gunai Ridstar H20 Motor, Max Speed Max Range . (Folding) has a 720 Wh battery, a 1000 W rated motor and a top speed of 28 mph.
How much does it cost to charge the Ridstar H20 Motor, Max Speed Max Range .?
A full charge costs about $0.12 (720 Wh ÷ 1,000 × $0.173/kWh, the average household price, EIA, 2025, annual average), with no charger loss. Enter your own price in the battery calculator.
Run this bike through the calculators.
We've pre-filled each tool with this bike's spec. Adjust your own usage - terrain, weight, weekly km - to see the numbers for you, not the marketing brochure.
Real-world range
How far will it actually go with your weight, terrain & assist?
Pre-filled 720 WhCost of ownership
Add a rival and compare over 5 years - charging, service, resale.
Pre-loaded as Bike ABattery economics
When you'll need a replacement, and what each km really costs.
Pre-filled 720 Wh
Learn the numbers behind the buy
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Buying GuideFolding vs Full-Size E-Bikes: Which Should You Buy?
Choosing between a folding and full-size e-bike? We break down the key differences in range, portability, cost, and comfort to help you decide.
Buying GuidesThe Best E-Bike Type for Your Commute Distance
Choose your e-bike by commute distance: short trips suit light folding bikes, medium rides need mid-size batteries, long hauls demand large packs and comfort.
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