Qlaway BK20 Full Suspension Fat Tire Electric Bike
- 750W motor, 1500W peak, 80 Nm torque
- 48V 18Ah 864Wh removable battery, UL2849 tested
- Up to 50 miles per charge in PAS mode
- 20 x 4 inch fat tires, full suspension
- 87.7 lbs, 330 lbs max load
- 6-month warranty
Last refreshed Jun 21, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A rugged fat-tire e-bike for riders who want suspension and big range for sand, snow and rough streets. Its heavy frame and conflicting speed figures in the listing deserve a close look before buying.
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ASIN: B0H2KZF1M8Model: BK20Category: Electric Bicycles
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Overview
Riding over sand, snow or broken pavement is what this Qlaway e-bike is set up for, with fat tires and front and rear suspension soaking up bumps. A removable battery charges indoors, and an extended rear seat carries cargo or a passenger.
Big battery, strong motor and full suspension give it range and comfort across mixed terrain. It is very heavy, and the listing quotes different top speeds in different places.
Who it's for
Suited to commuters and weekend riders tackling beaches, snow and hills. Riders who need a light bike for public transit should choose a folding model.
Pros and cons
- Large removable battery
- Full front and rear suspension
- Turn signals and taillight
- Rear seat for cargo
- Heavy to lift
- Mechanical, not hydraulic, brakes
- Top speed differs across listing
Performance notes
Fat tires at low pressure spread weight over sand and snow, and the suspension filters vibration on rough roads. Range depends on assist level, rider weight and hills, and the stated maximum assumes pedal assist rather than throttle only.
Specifications
| Brand | Qlaway |
|---|---|
| Model | BK20 |
| Dimensions & fit | |
| Maximum Weight Recommendation | 330 lbs |
| Wheel Size | 20 inches |
| Wheel Width | 4 inches |
| Item weight | 87.7 lbs |
| Capacity & performance | |
| Number Of Speeds | 7 |
| Range | Up to 50 miles (PAS) |
| Speed | 20 MPH top speed in motor spec; 6 to 31 MPH by speed level |
| Power & efficiency | |
| Lithium Battery Energy Content | 864 Wh (48V 18Ah)higher than 55% of 221 electric bicycles |
| Battery certification | UL2849 |
| Construction & materials | |
| Frame Material Type | Aluminum |
| Included components | |
| Included Components | Electric bike, charger, tool bag, user manual |
| Warranty & support | |
| Warranty Description | 6 months |
| Other details | |
| Brake Style | Mechanical disc |
| Suspension Type | Dual, four shock absorbers |
| Motor | 750W brushless, 1500W peak |
| Torque | 80 Nm |
| Is Assembly Required | Yes, 92% pre-assembled |
| Climbing | Up to 35 degrees |
| Charge time | 6-8 hours |
| Working modes | 3 |
Closest rivals on specs
Frequently asked questions
Can I charge the Qlaway BK20 battery off the bike?
Yes. The 48V 18Ah battery is removable and UL2849 tested, so it can be charged at home or outdoors in 6-8 hours.
What is the top speed of the Qlaway BK20?
The listing conflicts: the motor bullet says 20 MPH, while the speed bullet lists 6 MPH to 31 MPH. Confirm with the seller.
How much assembly does the Qlaway BK20 need?
It arrives 92% pre-assembled; an assembly video and manual cover the rest, and all parts should be checked for tightness before riding.