How the Narrak S180 performs, on paper
Computed from this bike's catalogue figures with the published formulas. Nothing here was measured on a ride.
Manufacturer overclaim: 46%. The estimate's band is 24 mi to 30 mi. Reference ride: Tour assist, rolling terrain, mild weather, brisk pace, 176 lb rider. How we work this out
The range calculator's formula with the reference ride's settings: Tour assist, mild weather, brisk pace, road tyres. The ring marks the published estimate (176 lb rider, rolling terrain).
Show the values as a table
| Terrain | 132.3 lb | 176.4 lb | 220.5 lb | 264.6 lb |
|---|---|---|---|---|
| Flat | 35 mi | 34 mi | 32 mi | 31 mi |
| Rolling | 28 mi | 27 mi | 26 mi | 25 mi |
| Steep | 22 mi | 21 mi | 20 mi | 19 mi |
No list price in your market; shown for United States.
Left out because they do not state it: battery 1, weight 6, top speed 9, estimated range 6.
- Purchase price
- $1,099
- Resale value
- −$268
- Charging
- $65
- Servicing
- $648
- Battery replacement
- $0
Purchase price: the list price in United States.
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
Where it sits among commuter e-bikes
Price against estimated range for 11 commuter models priced in the United States. This model is the ringed dot.
At $1,099 and an estimated 27 mi, it ranks 6 of 11 on estimated range per unit of price. That is the list price in the United States.
It is off the line: the VIVI ACE07 has a longer estimated range, 32 mi, at $900, which is at or below this model's price. 1 of the 11 are placed at converted prices (hollow dots).
Fit for the e-bike rules
- USCannot tellRated motor is 750 W, exactly the limit, where definitions differ.On the figures the brand states; not legal advice
- CanadaExceedsRated motor 750 W is above the 500 W e-bike limit here.On the figures the brand states; not legal advice
- UKExceedsTop speed 32 km/h (19.9 mph) is above 15.5 mph (25 km/h), the e-bike limit here; other vehicle rules apply. Rated motor 750 W is above the 250 W e-bike limit here.On the figures the brand states; not legal advice
- EUExceedsTop speed 32 km/h (19.9 mph) is above 25 km/h (15.5 mph), the e-bike limit here; other vehicle rules apply. Rated motor 750 W is above the 250 W e-bike limit here.On the figures the brand states; not legal advice
- AustraliaExceedsTop speed 32 km/h (19.9 mph) is above 25 km/h (15.5 mph), the e-bike limit here; other vehicle rules apply. Rated motor 750 W is above the 250 W e-bike limit here.On the figures the brand states; not legal advice
Narrak S180 specifications
The catalogue's figures, as the brand states them. A dot shows where a figure sits among Commuter bikes.
The model
- BrandNarrak
- ModelS180
- TypeCommuter
- Available inUSA
Motor and power
- Motor power750 WPeak 1,350 W
- Motor torqueNot statedHub motor
Battery and range
- Battery624 Wh48 V × 13 Ah
- Claimed range50 mi
- Estimated range27 mi−46% vs claim
Frame and weight
- Weight110.2 lb
- Max payload350.5 lb
- FoldableYes
- Step-throughYes
- CargoYes
Speed, class and controls
- Top speed20 mph
- ThrottleYes
- Fast (28 mph)No
Price
- Price$1,099
Where the figure sits among Commuter bikes, from lowest to highest
Questions about the Narrak S180
How much does the S180 cost?
The catalogue list price is United States $1,099. A list price is what the brand states, not what a shop charges today.
What are the S180's specs?
The Narrak S180 (Commuter) has a 624 Wh battery, a 750 W rated motor, a top speed of 20 mph, a weight of 110.2 lb and a claimed range of 50 mi.
What is the S180's real-world range?
We estimate about 27 mi (24 mi to 30 mi) for a 176.4 lb rider on rolling terrain with Tour assist, mild weather and a brisk pace, from its 624 Wh battery and its weight of 110.2 lb. It is a calculation with the open range formula, not a ride test. The brand's own claim is 50 mi.
How much does it cost to charge the S180?
A full charge costs about $0.11 (624 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 624 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 624 WhAlternatives to S180
Four questions asked of the catalogue about this bike, inside its type and inside one market, at prices quoted there. Each card says what differs. They are computed from catalogue figures and our range estimate; we have not ridden or tested any of these bikes.
Priced in the United States
Narrak S180 is priced at $1,099 here. List price for the US.
- More range for lessVIVIACE07
$899.99 Store price at viviebikes.com, read Oct 25, 2026
6 mi more estimated range for $199 less.
720 Wh~32 mi72.8 lb - Same range, lighterNarrakM3
$669 List price for the US
Keeps 105% of the estimated range and weighs 39.7 lb less, for $430 less.
624 Wh~28 mi70.5 lb - Cheapest with this rangeNarrakN6
$689 List price for the US
At least as much estimated range for $410 less.
624 Wh~28 mi75 lb
How these are picked
- More range for less: at least 5% more estimated range and at least 3% cheaper.
- Same range, lighter: at least 95% of the estimated range, at least 1 kg lighter, and at most 125% of this bike's price.
- Cheapest with this range: at least as much estimated range, at a lower price.
- Closest spec sheet: another brand, with battery capacity within 5%, weight within 8%, price within 15% and, when both state it, torque within 15%.
Only bikes of the same type with a price quoted in the same market are compared, and no bike appears on two cards.
Learn the numbers behind the buy
BuyingCan an E-Bike Replace Your Car? Here's How to Decide
E-bikes can replace cars for many trips. Learn about range, cargo needs, weather, and savings to see if it works for you.
SavingsE-Bike vs Public Transit: When Does an E-Bike Pay for Itself?
An e-bike pays for itself when your weekly riding replaces enough transit fares or car trips. The math depends on your distance and costs.
BatteriesWhat Battery Size Do You Actually Need for Your Commute?
Not sure what battery size you need for your commute? We break down how range, weight, and terrain affect your choice. Use our calculators to find the perfect fit.
Want to know when S180 gets cheaper?
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