Mountain · Electric

FREESKY Electric Bike for Adults, 4000W BAFANG Motor, 48V 35Ah LG Battery

Name: FREESKY Electric Bike for Adults, 4000W BAFANG Motor, 48V 35Ah LG Battery
Brand: FREESKY
Price: 1549.0 USD
Availability: InStock
Rating: 4.6 (83 reviews)

4.6(83 ratings) by FREESKY

$1,549.00

Price as of 2026-08-27 · confirm current price on Amazon

View price on Amazon →

The longest rated range in the whole catalog at up to 140 miles per charge.

Ideal for: Riders who want maximum range and towing capacity for long commutes, touring, or hauling cargo, not just neighborhood rides.

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Editor score breakdown

Scored 0-10 by our editors from the specs above, relative to every bike in this category — not a manufacturer rating.

Full spec sheet

Motor & speed

Motor power	4000 W
Torque	150 Nm
Top speed	38 mph

Battery & range

Battery capacity	1680 Wh
Range per charge	140 mi
Removable battery	Yes

Dimensions & weight

Max rider + cargo load	400 lbs
Wheel size	26"

Equipment

Gears	7-speed
Brakes	Disc
Suspension	Front & rear
Warranty	2 yr

Other details from Amazon

Additional Features	LCD-Display
Lithium Battery Energy Content	1680 watt-hours
Bicycle Gear Shifter Type	Trigger
Intended Riding Terrain	Mountain Terrain, Unpaved Trails
Bicycle Drivetrain Type	Hub Drive
Electric Assist Type	Pedal-assist
Battery Life	6 hours
Color	Classic Blue
Style Name	With Rear Rack &Full Fenders
Wheel Material	Aluminum
Included Components	Battery
Model Number	X-6E
Model Name	Swift Horse Ultra
Model Year	2026
Manufacturer	FREESKY
Unit Count	1 Count
Best Sellers Rank	#212,329 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #118 in Electric Mountain Bikes
Customer Reviews	4.6 4.6 out of 5 stars (83) 4.6 out of 5 stars
Size	Large
Warranty Type	Limited
Maximum Weight Recommendation	400 pounds
Special Feature	LCD-Display

Specifications are sourced from the manufacturer's Amazon listing, completed from the official product page where Amazon's own listing was incomplete. We only show a spec once it's confirmed — we never guess a number to fill a chart.

Full review

The FREESKY Swift Horse Ultra pairs a 4000W BAFANG hub motor and 150Nm of torque with a 48V 35Ah LG-cell battery rated for up to 140 miles of pedal-assist range, aimed at long-distance touring and cargo use.

Pros

140-mile rated range is the longest in this catalog, backed by a large 1680Wh LG-cell battery
4000W BAFANG motor with 150Nm torque and 38+MPH top speed handles steep climbs with power to spare
400 lb payload rating and cargo-accessory compatibility suit hauling gear, not just commuting
24-month warranty on motor, battery, controller and frame is longer than most in this catalog

Cons

Manufacturer doesn't publish a total bike weight, so confirm it fits your storage/transport plans
This much power and range comes at the catalog's higher end for price

What buyers say

83 ratings average 4.6 stars, consistent with the Aipas above it and a solid track record for this power class.

Reviews shown as published on Amazon at the time of capture.

See how it stacks up

Add the FREESKY Electric Bike for Adults, 4000W BAFANG Motor, 48V 35Ah LG Battery to the comparator and put it side-by-side with any other bike on the site.