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Addmotor Grandtan X Full-Suspension eTrike

Addmotor's product page

The Addmotor Grandtan X Full-Suspension eTrike is an electric bike with a 48 V, 20 Ah pack, a 750 W motor, a stated top speed of 20 MPH, 960Wh of energy and a weight of 128 LBS.

Last updated: 11 September 2026

What we found

  • 53 specifications are published for it, each with the source it was read from.
  • 1 certification standard is cited for it: UL 2849.
  • No matching recall was found in the records this catalogue holds from 8 regulators.

Assembled from the evidence on this page. Every figure and count below is shown with the source it was read from.

Motor and performance

Motor position
Rear

“At its core lies a formidable 48V750W brushless motor, strategically positioned at the rear for optimal performance.”

Source: addmotor.com/blog/why-the-grandtan-x-is-the-best-full-suspension-electric-trike-of-2024

Motor
750 W

“48V*750W Rear-Mounted”

Source: addmotor.com/products/grandtan-x

Peak power
1,400W

“With a max motor torque of 90 Nm and peak motor power of 1,400W, this fat tire electric trike ensures a smooth and powerful ride.”

Source: addmotor.com/products/grandtan-x

Torque
90 Nm

“With a max motor torque of 90 Nm and peak motor power of 1,400W, this fat tire electric trike ensures a smooth and powerful ride.”

Source: addmotor.com/products/grandtan-x

Top speed
20 MPH

Source: addmotor.com/products/grandtan-x

Claimed range

The maker’s own documents give different figures

40 - 85 miles

grandtan-x · retrieved by us 29 August 2026

Source: addmotor.com/products/grandtan-x

65+ range

5-addmotor-adult-electric-bikes-to-match-each-riding-personality · retrieved by us 29 August 2026

“the 65+ range is more than enough for adventuring”

Source: addmotor.com/blog/5-addmotor-adult-electric-bikes-to-match-each-riding-personality

Payload capacity
280+80 LBS

Disputed

“Rear-Drive Motor 750W Samsung Battery 48V*20Ah per Charge (PAS1) 85 Miles UL Certification UL 2271 Payload Capacity 280+80 LBS Top Speed 20 Mph”

Source: addmotor.com/products/grandtan-x

“350+100 lbs 350+100 lbs 350+100 lbs 280+80 lbs 350+100 lbs 340+100 lbs 350+100 lbs”

Source: cdn.shopify.com/s/files/1/0530/5968/2468/files/Addmotor_Catalog_2026.pdf?v=1778809673

Other sources state

  • 380 LBS

    Source: addmotor.com/products/grandtan-x

  • 280+100 here; 280+80 eight pages earlier

    “E-TRIKE Weight 127.9lbs color: Suggested Height: Payload Capacity 280+100lbs 5'2" 6'4" GRANDTAN X Wooden”

    Source: cdn.shopify.com/s/files/1/0530/5968/2468/files/Addmotor_Catalog_2026.pdf?v=1778809673

  • 350 lbs

    “With a payload capacity of 350 lbs., the GrandtanX an accommodate a wide range of riders and additional cargo”

    Source: addmotor.com/blog/10-best-electric-trikes-for-seniors

Assist sensor
Upgraded Torque Sensor

“Intelligent 7 Level Pedal Assist with Upgraded Torque Sensor”

Source: addmotor.com/products/grandtan-x

Assist levels
7-Speed Options

Source: addmotor.com/products/grandtan-x

Controller
Addmotor 25A Controller

Source: addmotor.com/products/grandtan-x

Throttle
Right Hand Half Twist Throttle with Switch

Source: addmotor.com/products/grandtan-x

Battery and charging

Battery
48 V, 20 Ah

“48V*20Ah Samsung UL-certified Battery”

Source: addmotor.com/products/grandtan-x

Battery energy
960Wh

“A 960Wh UL 2271 battery with Samsung”

Source: addmotor.com/products/grandtan-x

Cell supplier
Samsung

“UL 2271 battery with Samsung 50E cells. Stable 30A output”

Source: addmotor.com/products/grandtan-x

Cell model
Samsung 50E cells

“UL 2271 battery with Samsung 50E cells. Stable 30A output and IPX6”

Source: addmotor.com/products/grandtan-x

Maximum discharge current
30A output

“Stable 30A output and IPX6 water resistance for safety.”

Source: addmotor.com/products/grandtan-x

Battery water resistance
IPX6 water resistance

“Stable 30A output and IPX6 water resistance for safety.”

Source: addmotor.com/products/grandtan-x

Battery options offered
Two packs offered

“Power is nothing without endurance, and the Grandtan X excels in this aspect as well. Riders have the luxury of choosing between two cutting-edge battery options.”

Source: addmotor.com/blog/why-the-grandtan-x-is-the-best-full-suspension-electric-trike-of-2024

Charger
48V*2.0A

“48V*2.0A 5 Pins US Standard DC Charger 5 Pins With Auto Magnetic Suction”

Source: addmotor.com/products/grandtan-x

Brakes and safety

Stability improvement claimed
The Ride Is 100% More Stable & Controllable.

Unconfirmed

“GRANDTAN X FULL SUSPENSION | Reduced Bumps & Improved Traction The Ride Is 100% More Stable & Controllable.”

Source: addmotor.com/u_file/2406/photo/grandtan-x-340x_1717402129.jpg

Turn signals
With hazard and brake

“The taillight communicates the rider's intentions with signals for driving mode, hazard, flashing, braking, and turning, ensuring that other road users are well-informed.”

Source: addmotor.com/blog/why-the-grandtan-x-is-the-best-full-suspension-electric-trike-of-2024

Brake make
Tektro

“When it comes to stopping power, the Grandtan X excels with its full-wheel Tektro mechanical disc brake system.”

Source: addmotor.com/blog/why-the-grandtan-x-is-the-best-full-suspension-electric-trike-of-2024

Brakes
Mechanical Disc Brake with Motor Cutoff Sensor and Parking Brake System

Source: addmotor.com/products/grandtan-x

Brake rotors
180mm Front / 2*180mm Rear Rotors on 3 Wheels

Source: addmotor.com/products/grandtan-x

Bell
Electric Horn & Mechanical Bell

Source: addmotor.com/products/grandtan-x

Frame and components

Taillight module
EB 2.0 5-in-1

“Its integrated EB 2.0 taillight is a standout feature, offering a comprehensive 5-in-1 lighting system that enhances visibility in various riding conditions.”

Source: addmotor.com/blog/why-the-grandtan-x-is-the-best-full-suspension-electric-trike-of-2024

Rear basket load limit
100 lb

“Complementing the trailer tube are removable aluminum baskets located both front and rear. The front basket is ideal for smaller items, while the rear basket can accommodate up to 100 pounds of cargo, providing ample space for various belongings.”

Source: addmotor.com/blog/why-the-grandtan-x-is-the-best-full-suspension-electric-trike-of-2024

Frame
6061 Aluminum Alloy Frame

Source: addmotor.com/products/grandtan-x

Suspension
Oil Spring Front Suspension with 80mm of Travel & Rear Shock Absorber

Source: addmotor.com/products/grandtan-x

Tires
24" X 4.0" F & 20" X 4.0" R

Source: addmotor.com/products/grandtan-x

Trailer tube
Fitted

“The inclusion of a sturdy trailer tube significantly expands the trike's cargo-carrying capacity.”

Source: addmotor.com/blog/why-the-grandtan-x-is-the-best-full-suspension-electric-trike-of-2024

Spokes
Stainless, 12g front, 13g rear

“Additionally, the trike is fitted with stainless steel spokes, 12 gauge at the front and 13 gauge at the rear, contributing to its overall strength and stability.”

Source: addmotor.com/blog/why-the-grandtan-x-is-the-best-full-suspension-electric-trike-of-2024

Chain
KMC Rust Resistant Chain

Source: addmotor.com/products/grandtan-x

Derailleur
7-Speed SHIMANO TOURNEY TY300 Rear Derailleur

Source: addmotor.com/products/grandtan-x

Shifter
SHIMANO TOURNEY Right Thumb Shifter 7-Speed SIS Index System

Source: addmotor.com/products/grandtan-x

Freewheel
SHIMANO SIS Index 7-Speed 14-32T

Source: addmotor.com/products/grandtan-x

Pedals
Wellgo alloy, 9/16″ × 20 TPI

“The Wellgo aluminum pedals have reflectors and standard threading of 9/16'' x 20 TPI, ensuring safety and compatibility.”

Source: addmotor.com/blog/why-the-grandtan-x-is-the-best-full-suspension-electric-trike-of-2024

Stem
Adjustable Angle (90°)

Source: addmotor.com/products/grandtan-x

Handlebar
Black Aluminum; Sweep Back

Source: addmotor.com/products/grandtan-x

Saddle
Addmotor Exclusive Well Padded Saddle with Backrest

Source: addmotor.com/products/grandtan-x

Seat post
Quick Release

Source: addmotor.com/products/grandtan-x

Mudguards
Aluminum Fenders; Front & Rear Included

Source: addmotor.com/products/grandtan-x

Display
EB 2.0 LCD

“An EB 2.0 LCD is integrated into the Grandtan X, providing essential ride information such as battery usage, mileage, speed, lights, PAS level, current motor wattage, and turn signals.”

Source: addmotor.com/blog/why-the-grandtan-x-is-the-best-full-suspension-electric-trike-of-2024

Number of wheels
Three

“Grandtan X Full-Suspension eTrike”

Source: addmotor.com/products/grandtan-x

Frame type
step-through frame

“has leather handlebars, and with its exclusive dual shock and step-through frame”

Source: addmotor.com/blog/addtech-electric-bike-mechanical-components-handlebar-grips

Grip material
Leather handlebars

Unconfirmed

“has leather handlebars, and with its exclusive dual shock and step-through frame, it's the most comfortable electric trike around”

Source: addmotor.com/blog/addtech-electric-bike-mechanical-components-handlebar-grips

Size and fit

Cargo capacity claimed
carrying hundreds of pounds of cargo

Unconfirmed

“a powerful workhorse for carrying hundreds of pounds of cargo ( 100 lbs maximum to be exact”

Source: addmotor.com/blog/5-addmotor-adult-electric-bikes-to-match-each-riding-personality

Rider height
5'2" - 6'4"

“5'2'' - 6'4''”

Source: addmotor.com/products/grandtan-x

Weight
128 LBS

Source: addmotor.com/products/grandtan-x

Total length
77.6"

“77.6''”

Source: addmotor.com/products/grandtan-x

Total width
32.3"

“32.3''”

Source: addmotor.com/products/grandtan-x

Wheelbase
53.1"

“53.1''”

Source: addmotor.com/products/grandtan-x

Standover height
17.5"

“17.5''”

Source: addmotor.com/products/grandtan-x

Reach
13"

“13''”

Source: addmotor.com/products/grandtan-x

Minimum saddle height
32.5"

“32.5''”

Source: addmotor.com/products/grandtan-x

Maximum saddle height
39"

“39''”

Source: addmotor.com/products/grandtan-x

Handlebar height
46.5"

“46.5''”

Source: addmotor.com/products/grandtan-x

Compatibility

No replacement pack we hold names this model
Addmotor name other models on their packs, not this one

“17.5Ah (840Wh) Lithium-Ion battery pack fits Addmotor e-bike models of M-140, M-150, M-330, and 2022 versions of M-350 & M-340”

Source: addmotor.com/products/grandtan-x

Other findings

Stability problem the manufacturer cites in earlier models
Addmotor cite a stability problem in earlier models

Unconfirmed

“In the recent models, the users faced a problem with the stability of the bike that it would be a “dice” if ridden over bumpy surfaces but the Grandtan X overcomes all the problems of the recent models and with its improved suspension and other specifications the Grandtan X proves to be the best full suspension e-trike of 2024.”

Source: addmotor.com/blog/why-the-grandtan-x-is-the-best-full-suspension-electric-trike-of-2024

Certification claims

“First of its kind” battery claim
Claimed a world first

Unconfirmed

“Introducing the world's first UL-recognized 48V20Ah battery, ingeniously engineered with Samsung's state-of-the-art 50E 21700 cells.”

Source: addmotor.com/blog/why-the-grandtan-x-is-the-best-full-suspension-electric-trike-of-2024

Certification claimed by the manufacturer
UL 2271

Unconfirmed

“Rear-Drive Motor 750W Samsung Battery 48V*20Ah per Charge (PAS1) 85 Miles UL Certification UL 2271 Payload Capacity 280+80 LBS Top Speed 20 Mph”

Source: addmotor.com/products/grandtan-x

Certifications

  • UL 2849Standard for Electrical Systems for eBikesVerified certification recordIssuer: UL SolutionsCert #E540364UL Product iQ certification record QGNS.E540364 — ADDMOTOR TECH, Electrical Systems for E-Bikes — productiq.ulprospector.com/en/profile/7293239/qgns.e540364?term=Addmotor&page=1

    Applies in: United States, and Canada under the matching listing QGNS7.E540364

    UL's register lists ADDMOTOR TECH under file E540364, UL Certified for Electrical Systems for E-Bikes. It names the family GRANDTAN rather than individual variants, so whether this variant is covered is not stated. UL certified it; we did not test it.

Each standard listed is an independent claim about this specific product — one standard does not imply compliance with another.

Product identifiers

The codes printed on the product and its packaging.

Barcode (UPC/EAN)
714367821795(Army Green)

Source: addmotor.com.au/products.json

"sku":"EB3478X","barcode":"714367821795"

The barcode number on the retail box.

SKU
EB3478X(Army Green)

Source: addmotor.com.au/products.json

"sku":"EB3478X","barcode":"714367821795"
EB3474X(Neptune blue)

Source: addmotor.com.au/products.json

"sku":"EB3474X"

The code a retailer sells it under. Usually specific to one colour.

Battery specs & replacement options