
4
$2,990
MSRP
The Cowboy 4 is the design-led smart commuter — a clean single-speed belt drive, automatic assist and integrated connectivity for riders who want simplicity over spec sheets.
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Full specifications
- MSRP
- $2,990
- Category
- Commuter
- Class
- Class 1
- Top Speed
- 20 mph
- Motor
- Cowboy rear hub (Hub)
- Motor Power
- 250W nominal
- Torque
- 45 Nm
- Battery
- 360Wh, Li-Ion, removable
- Range
- up to 43 miles
- Weight
- 42 lbs
- Frame
- Aluminum
- Brakes
- Hydraulic disc
- Drivetrain
- Gates Carbon belt, single-speed
- Suspension
- None
- Tires
- 27.5×1.85"
- Max Payload
- 265 lbs
- Warranty
- 2 yr
What we love
- Sleek, minimalist smart-bike design
- Automatic torque-sensor assist, no gears to manage
- Removable battery and built-in app/GPS
What we'd change
- Single-speed limits steep-hill cadence
- App-dependent ecosystem won't suit everyone
Our verdict
By Sean Lupton · June 5, 2026 · Scored 8.2/10 against how we test
The Cowboy 4 is for the design-led commuter who wants simplicity over spec sheets — a clean single-speed belt drive with automatic assist and built-in connectivity, aimed at the rider who'd rather manage an app than a derailleur. At $2,990 it's a lifestyle purchase. Anyone who lives on steep hills, distrusts app-dependent hardware, or wants maximum range and value for the money should look at a more conventional commuter.
The 8.2 reflects a bike defined by design and ride feel: the automatic torque-sensor assist means no gears to manage, and the removable battery plus integrated GPS and app are genuine draws. Hydraulic discs cover brakes and safety. The weaknesses the whatWedChange flags are the score's ceiling — the single-speed limits cadence on steep hills, and the app-dependent ecosystem won't suit everyone, a real serviceability consideration if you prefer hardware that works without a phone.
The trade-off is versatility and range for a beautifully simple, connected ride. If your commute is gentle and you like the smart-bike experience, it delivers exactly that. If you want more range and a rack-ready build for similar money, the Trek FX+ 2 offers dealer service and a lighter platform — at the cost of the Cowboy's automatic assist and integrated tech that are the whole reason to buy one.
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