TST R9 Electric Fat-Tire Bike, 1500W Peak, 48V 15Ah Battery

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Product guide

TST R9 Electric Fat-Tire Bike, 1500W Peak, 48V 15Ah Battery

TS TST GRP LLC: The TST R9 electric fat-tire bike pairs a claimed 1500W peak motor with a removable 48V 15Ah battery, 20-inch wheels and a 7-speed drivetrain. Its wide tires, dual suspension and three riding modes target mixed pavement and light-trail use, while the listed weight is substantial for lifting or carrying.

At a glance

Removable 48V 15Ah battery with a stated range of up to 60 miles under specified riding conditions.
Three riding modes are described as throttle-powered, pedal-assist and traditional pedaling.
20-inch by 4.0-inch fat tires, dual suspension and dual mechanical disc brakes are claimed.
LCD display, headlight and integrated rear rack are described in the listing.

Price

$599.99Save 18%

Reference price: ~~$729.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Removable battery can be charged away from the bike, according to the listing.
Seven-speed gearing and three modes offer options for adjusting effort and propulsion.
The claimed fat tires and dual suspension suit buyers seeking a cushioned setup for pavement, gravel and light trails.

Cons

The listed 87.7-pound weight makes this a heavy bike to move by hand or load into a vehicle.
The stated 60-mile range is conditional, and the listing does not specify the riding conditions behind that figure.

Technical specifications

26 specifications

Identity
Brand	TS TST GRP LLC
Model	R9

Display and video
Screen technology listed	LCD

Power and battery
Power configuration	Electric
Battery voltage and capacity in feature description	48V 15Ah
Battery energy listed	720 watt-hours
Motor peak power in title	1500W Peak Motor Power
Maximum torque claim	up to 90N-m

Frame, wheels and ride
Bike type	Electric Bike, Fat Tire
Wheel size	20 inches
Tire size	20" X 4.0"
Frame material	Aluminum
Suspension type	Dual Suspension
Drivetrain	Chain Drive
Derailleur configuration	Rear
Gear count	7
Shifter type	Thumb
Assist modes	3 Modes
Brake style	Disc
Listed special features	Dual Disc Brake, Fat Tire, Headlight
Listed terrain	Mountain Terrain, Unpaved Trails

Dimensions, use and support
Weight listed	87.7 pounds
Maximum weight recommendation	450 pounds
Minimum user height	5 feet
Age range	Adult
Warranty type	Limited

What to know before buying

Listing details to confirm

Listing details conflict or remain unconfirmed: the title advertises a 15/30Ah battery while the feature text specifies 48V 15Ah, and another detail lists 720 watt-hours. The listing also describes aluminum in the technical details but steel in an A+ passage, and gives both mechanical and hydraulic suspension or brake descriptions. Speed and class claims vary between passages, including 20 mph and up to 28 mph. Confirm the selected configuration, battery capacity, components and local road-use requirements before buying. The stated up-to-60-mile range is conditional, not a guaranteed distance.

What’s in the box

Included

Removable battery
App control

Who is it for?

A good fit for

Adult riders looking for a fat-tire bike with removable-battery charging and three riding modes.
Riders who want a 7-speed drivetrain and claimed suspension for pavement, gravel or light trails.

Less suited to

Anyone who needs a lightweight bike that is easy to carry upstairs or lift onto a rack.
Buyers who require a firmly confirmed battery capacity, speed class or component specification before purchase.

TST R9 Electric Fat-Tire Bike, 1500W Peak, 48V 15Ah Battery · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 63 ratings

5 stars68%68%
4 stars15%15%
3 stars8%8%
2 stars2%2%
1 star7%7%

Customer feedback describes easy assembly, a smooth and enjoyable ride, advertised performance, useful hill-climbing power and good perceived value. The reported 20 mph experience is customer feedback, not a confirmed speed specification. Durability opinions are mixed, which matters for buyers weighing longer-term ownership. The listing separately describes a 1500W peak motor and fat tires, but those claims do not resolve the conflicting configuration details.

Positive themes

Customers report easy assembly, smooth riding and enjoyable use.
Feedback describes good perceived value and power for hills.

Mixed feedback

Customer opinions about durability are mixed. The reported experience does not establish a specific cause or failure rate.

Frequently asked questions

What battery configuration is specified for the TST R9?

The title refers to a 15/30Ah removable battery, while the feature text specifies 48V 15Ah and the details list 720 watt-hours. These figures do not align clearly, so confirm the selected version with the seller.

How far does the listing say it can travel?

The feature text claims up to 60 miles under specified riding conditions. It does not establish that distance for every rider or route.

What riding modes and gears are described?

The feature text describes throttle-powered, pedal-assist and traditional pedal modes, along with a 7-speed drivetrain.

Is the R9 lightweight?

No. Its listed weight is 87.7 pounds, a practical consideration for carrying or vehicle loading.