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Addmotor Foldtan M-140 R7 Folding Fat Tire eBike

Addmotor's product page

The Addmotor Foldtan M-140 R7 Folding Fat Tire eBike is an electric bike with a 48 V, 20 Ah pack, a 750 W, rear-mounted motor, a stated top speed of 20 MPH, a weight of 81 lbs and a load capacity of 300 lbs.

Last updated: 1 September 2026

What we found

  • 1 battery is documented for it: 17.5Ah Silverfish Battery, from the manufacturer's own documentation.
  • 42 specifications are published for it, each with the source it was read from.
  • 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
750 W, rear-mounted

“48V*750W Rear-Mounted”

Source: addmotor.com/products/m-140-r7

Top speed
20 MPH

“Top Speed 20 MPH”

Source: addmotor.com/products/m-140-r7

Claimed range
Up to 105 miles with PAS 1 mode

Unconfirmed

Source: addmotor.com/products/m-140-r7

Payload capacity
300 lbs

“Payload 300 lbs”

Source: addmotor.com/products/m-140-r7

Assist levels
Seven, raised from fewer

“In the new updated version of the folding electric bike , the speed has also increased to 7 PAS”

Source: addmotor.com/blog/addmotor-2023-new-upgraded-version-folding-electric-bike

Controller
Sources disagree
  • EB 2.0 20A Controller

    Source: addmotor.com/products/m-140-r7

  • Addmotor EB 2.0 25A Controller, Upgraded to a Chip Type

    Source: addmotor.com/products/m-140-r7

Throttle
Variable Speed Control - 1/2 Twist Throttle

Source: addmotor.com/products/m-140-r7

Battery and charging

Battery
48 V, 20 Ah

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

Source: addmotor.com/products/m-140-r7

Cell supplier
Samsung

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

Source: addmotor.com/products/m-140-r7

Cell model
Samsung's 21700 lithium-ion battery cells

“It contains Samsung's 21700 lithium-ion battery cells, which are of high capacity and maximum discharge”

Source: addmotor.com/blog/addmotor-2023-new-upgraded-version-folding-electric-bike

Battery capacity, as stated over time
upgraded to 20 Ah from 17.5 Ah

“contains a battery that is now upgraded to 20 Ah from 17.5 Ah. The large-capacity battery will now let you drive the e-bike for longer distances without the need of recharging on the way. On a single charge, this fat tire electric bike can cover 100 miles on PAS 1, which was previously 65 miles per charge”

Source: addmotor.com/blog/addmotor-2023-new-upgraded-version-folding-electric-bike

Charger
48V*20Ah 5 Pins US Standard DC Charger

Source: addmotor.com/products/m-140-r7

Brakes and safety

Brakes
Mechanical EL555-RT / EL550-RS

Source: addmotor.com/products/m-140-r7

Brake rotors
Tektro MD-M300 180mm F/R

Source: addmotor.com/products/m-140-r7

Lighting
5-in-1 taillight and headlight

“Stay safe with a 5-in-1 taillight and headlight, featuring turn signals and brake lights for visibility.”

Source: addmotor.com/products/m-140-r7

Wiring
Water-Resistant Connectors and Wiring Harness

Source: addmotor.com/products/m-140-r7

Frame and components

Crank marking, from the photograph
OUNCE

Unconfirmed

Source: addmotor.com/u_file/2607/photo/m140r7-size_1785408589.png

Colours
yellow, blue, orange, army green, white and black

“comes in 6 new colors, yellow, blue, orange, army green, white and black”

Source: addmotor.com/blog/addmotor-2023-new-upgraded-version-folding-electric-bike

Frame
6061 Aluminum Alloy Frame

Source: addmotor.com/products/m-140-r7

Front fork
Addshox Spring Suspension Fork, 80-95mm of Travel, Adjustment and Lockout

Source: addmotor.com/products/m-140-r7

Tires
Kenda 20" x 4.0" Fat Tires

“Kenda 20'' x 4.0'' Fat Tires”

Source: addmotor.com/products/m-140-r7

Chain
KMC Rust Resistant Chain

Source: addmotor.com/products/m-140-r7

Derailleur
Shimano 7 Speeds / ALTUS M310

Source: addmotor.com/products/m-140-r7

Pedals
Aluminum Black Folding Pedal

Source: addmotor.com/products/m-140-r7

Handlebar
Anti-Slip Aluminum Folding Handlebar

Source: addmotor.com/products/m-140-r7

Saddle
Addmotor Padded Comfortable Saddle

Source: addmotor.com/products/m-140-r7

Seat post
Quick Release 30CM

Source: addmotor.com/products/m-140-r7

Display
Addmotor EB 2.0 Multi-Functional LCD Display with USB Port

Source: addmotor.com/products/m-140-r7

Rear rack
Detachable Sturdy Alloy Rack

Source: addmotor.com/products/m-140-r7

Size and fit

Weight without the battery
weighs 58 lbs (excluding battery)

“this e-bike weighs 58 lbs (excluding battery). only, which makes it easier to carry around”

Source: addmotor.com/blog/best-electric-bikes

Weight
81 lbs

“Bike Weight (include battery) 81 lbs”

Source: addmotor.com/products/m-140-r7

Total length
68"

“Total Length 68"”

Source: addmotor.com/products/m-140-r7

Wheelbase
45"

“Wheelbase 45"”

Source: addmotor.com/products/m-140-r7

Standover height
15"

“Standover Height 15"”

Source: addmotor.com/products/m-140-r7

Reach
12.5"

“Reach 12.5"”

Source: addmotor.com/products/m-140-r7

Seat tube
16"

“Seat Tube 16"”

Source: addmotor.com/products/m-140-r7

Minimum saddle height
31"

“Minimum Seat Height 31"”

Source: addmotor.com/products/m-140-r7

Maximum saddle height
37"

“Maximum Seat Height 37"”

Source: addmotor.com/products/m-140-r7

Minimum handlebar height
46"

“Minimum Handlebar Height 46"”

Source: addmotor.com/products/m-140-r7

Maximum handlebar height
50.5"

“Maximum Handlebar Height 50.5"”

Source: addmotor.com/products/m-140-r7

Folded size
44*21*29"

“Folded up 44*21*29"”

Source: addmotor.com/products/m-140-r7

“Its compact size of 44*21*29" along with its ability to fold, make it effortless to carry along wherever you go”

Source: addmotor.com/blog/addtech-ebike-mechanical-components-frame

Rear rack size
15*6.5"

“Rear Rack 15*6.5"”

Source: addmotor.com/products/m-140-r7

Identity

How the frame decal spells it
FOLOTAN

Unconfirmed

Source: addmotor.com/u_file/2607/photo/m140r7-size_1785408589.png

Buying and owning it

Sales restriction
Delivery to New York City, including billing addresses, is currently prohibited due to Local Law 39.

Source: addmotor.com/products/m-140-r7

California Proposition 65 warning
This product contains a chemical known to the State of California to cause cancer, birth defects, or other reproductive harm.

Source: addmotor.com/products/m-140-r7

Other findings

Range improvement claimed
can cover 100 miles on PAS 1, which was previously 65 miles per charge

“contains a battery that is now upgraded to 20 Ah from 17.5 Ah. The large-capacity battery will now let you drive the e-bike for longer distances without the need of recharging on the way. On a single charge, this fat tire electric bike can cover 100 miles on PAS 1, which was previously 65 miles per charge”

Source: addmotor.com/blog/addmotor-2023-new-upgraded-version-folding-electric-bike

Certification claims

Certification claimed by the manufacturer
UL 2271

Unconfirmed

“UL Certification UL 2271”

Source: addmotor.com/products/m-140-r7

Battery specs & replacement options