VIVI MT20UL
The VIVI MT20UL is an electric bike with a 48V 10.4Ah 499.2Wh pack, a stated top speed of 35km/h 21.7MPH, assistance to 25km/h 15.5MPH, a 20 x 3.0" wheel, a load capacity of 150kg / 330Ibs and an ingress rating of IP54.
Last updated: 11 November 2026
Motor and performance
- Controller rating
- 18A
- Peak power, as stated elsewhere
- 1000W
- Assisted speed
- 25km/h 15.5MPH
- Riding modes
- Pure Electric / Pedal Assist/ Normal Bike / Assist Push / Cruise Control
- Motor type
- Brushless Hub Motor
- Torque
- 65Nm
- Top speed
- 35km/h 21.7MPH
- Claimed range
- Sources disagree
80km / 50 miles
Row from the maker’s page: “Max Range” | “80km / 50 miles”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
50 Miles
Row from the maker’s page: “Range” | “50 Miles”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
- Payload capacity
- 150kg / 330Ibs
- Assist sensor
- 12 Magnet Cadence Speed Sensor
- Controller
- 48V 18A Brushless Motor Controller
- Throttle
- Half Twist Throttle+Thumb Throttle
- Vehicle class
- 2
- Pedal assist levels
- 5
- Motor power
- 1000W Peak
Row from the maker’s page: “Controller” | “48V 18A Brushless Motor Controller”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Motor Power” | “1000W Peak”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Regular Speed” | “25km/h 15.5MPH”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Riding Mode” | “Pure Electric / Pedal Assist/ Normal Bike / Assist Push / Cruise Control”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Motor” | “1000W Peak Brushless Hub Motor, 65Nm”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Motor” | “1000W Peak Brushless Hub Motor, 65Nm”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Max Speed” | “35km/h 21.7MPH”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Load Capacity” | “150kg / 330Ibs”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Sensor” | “12 Magnet Cadence Speed Sensor”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Controller” | “48V 18A Brushless Motor Controller”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Throttle” | “Half Twist Throttle+Thumb Throttle”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “E-bike Class” | “2”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Pedal Assist” | “Lntelligent 5 Level Pedal Assist”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Motor” | “1000W Peak Brushless Hub Motor, 65Nm”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Battery and charging
- Energy
- 499.2Wh
- Battery
- 48V 10.4Ah 499.2Wh
- Voltage
- 48V
- Rated capacity
- 10.4Ah
- Charging time, stated for the machine
- 4-6 Hours
- Battery specification
- 48V 10.4Ah 499.2Wh Lithium-ion Battery
- Charger
- US Plug 54.6V 2A Smart Charger
- Charger output voltage
- 54.6V
- Charger output current
- 2A
“48V 10.4Ah 499.2Wh Lithium-ion Battery”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Battery” | “48V 10.4Ah 499.2Wh Lithium-ion Battery”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
“Motor Power 1000W Peak Battery 48V 10.4Ah Charging Time 4-6 Hours”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
“Motor Power 1000W Peak Battery 48V 10.4Ah Charging Time 4-6 Hours”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Charging Time” | “4-6 Hours”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Battery” | “48V 10.4Ah 499.2Wh Lithium-ion Battery”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Charger” | “US Plug 54.6V 2A Smart Charger”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Charger” | “US Plug 54.6V 2A Smart Charger”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Charger” | “US Plug 54.6V 2A Smart Charger”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Battery care and safety
- Ingress protection
- IP54
Row from the maker’s page: “IP Level” | “IP54”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Brakes and safety
- Brake calipers
- Front and Rear Mechanical Brake Calipers
- Brakes
- 160mm Double Mechanical Disc Brakes
- Headlight
- 48V Integrated LED Headlight
- Lighting
- 48V Integrated LED Headlight
- Bell
- Integrated Handlebar Bell
- Brake levers
- Alloy Levers with Motor Cutoff Switch
Row from the maker’s page: “Calipers” | “Front and Rear Mechanical Brake Calipers”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Brakes” | “160mm Double Mechanical Disc Brakes”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Front Light” | “48V Integrated LED Headlight”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Front Light” | “48V Integrated LED Headlight”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Bell/Horn” | “Integrated Handlebar Bell”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Brake levers” | “Alloy Levers with Motor Cutoff Switch”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Frame and components
- Fork
- Forged Iron Alloy, Φ28.6×385mm
- Crankset
- 42T Chainring, 170mm Crank, Forged Alloy Dual-sided Aluminum
- Folds
- Yes
- Colours
- Black / White
- Suspension
- Coil Spring Suspension Fork, 40mm Travel
- Tires
- 20 x 3.0" 30TPI Anti Puncture Fat Tires
- Chain
- KMC Aluminum Alloy Chain, 116 links
- Gearing
- Shimano 1 x 7-speed, 14-28T
- Derailleur
- Sources disagree
Shimano RD-TZ500
Row from the maker’s page: “Derailleur” | “Shimano RD-TZ500, 7-speed”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Shimano RD-TZ500, 7-speed
Row from the maker’s page: “Derailleur” | “Shimano RD-TZ500, 7-speed”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
- Shifter
- Shimano SL-TX50 7 Speed Thumb Shifter
- Freewheel
- Aluminum 7-speed Freewheel, 14-28T
- Stem
- Aluminum, Φ25.4×250×φ28.6mm, 400mm
- Saddle
- Ergonomic Breathable Sport Saddle
- Seat post
- Adjustable Φ28.6 x 350mm Alloy Seatpost
- Mudguards
- Included, Full Coverage Front and Rear
- Display
- 48V Intelligent Digital LCD Display
- Rear rack
- Included, Aluminum, Carrying 25kg/55lbs
- Chainring
- 42T
- Frame material
- High Carbon Steel
- Frame type
- Step-Through
- Seat post clamp
- φ31.8mm Quick Release
- Wheel size
- 20 x 3.0"
- Bell and horn
- Integrated Handlebar Bell
Row from the maker’s page: “Fork” | “Forged Iron Alloy, Φ28.6×385mm”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Crank Set” | “42T Chainring, 170mm Crank, Forged Alloy Dual-sided Aluminum”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
“Rider Age 16+ Folding Yes Rear Rack Integrated”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
“Model MT20UL Color Black / White”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Suspension” | “Coil Spring Suspension Fork, 40mm Travel”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Tires” | “20 x 3.0" 30TPI Anti Puncture Fat Tires”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Chain” | “KMC Aluminum Alloy Chain, 116 links”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Gearing” | “Shimano 1 x 7-speed, 14-28T”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Shifter” | “Shimano SL-TX50 7 Speed Thumb Shifter”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Freewheel” | “Aluminum 7-speed Freewheel, 14-28T”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Stem” | “Aluminum, Φ25.4×250×φ28.6mm, 400mm”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Saddle” | “Ergonomic Breathable Sport Saddle”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Seatpost” | “Adjustable Φ28.6 x 350mm Alloy Seatpost”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Fenders” | “Included, Full Coverage Front and Rear”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Display” | “48V Intelligent Digital LCD Display”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Rear Rack” | “Included, Aluminum, Carrying 25kg/55lbs”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Crank Set” | “42T Chainring, 170mm Crank, Forged Alloy Dual-sided Aluminum”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Frame” | “High Carbon Steel”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Frame Type” | “Step-Through”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Seatpost Clamp” | “φ31.8mm Quick Release”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Tires” | “20 x 3.0" 30TPI Anti Puncture Fat Tires”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Bell/Horn” | “Integrated Handlebar Bell”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Size and fit
- Seat height
- 75-95cm / 29.5-37.4inch
- Rider height
- 155-190cm / 5.1-6.3 ft
- Total length
- 160cm / 63.0inch
- Wheelbase
- 112cm / 40.1inch
- Overall dimensions
- 162x24x100cm/63.8x9.5x39.4inch
- Seat post diameter
- 2.85cm / 1.12inch
- Standover height
- 72cm / 28.3inch
- Handlebar height
- 100-116cm / 39.4-45.7inch
- Handlebar length
- 58cm / 22.8inch
- Top tube length
- 52cm / 20.5inch
- Wheel diameter
- 51cm / 20.0inch
- Crank length
- 17cm / 6.7inch
- Seat tube length
- 60cm / 23.6inch
“Seat Height 75-95cm / 29.5-37.4inch”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Rider Heights” | “155-190cm / 5.1-6.3 ft”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Total Length” | “160cm / 63.0inch”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
“Wheelbase 112cm / 40.1inch”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Row from the maker’s page: “Bicycle Dimensions” | “162x24x100cm/63.8x9.5x39.4inch”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
“Seatpost Diameter 2.85cm / 1.12inch”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
“Standover Height 72cm / 28.3inch”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
“Handlebar Height 100-116cm / 39.4-45.7inch”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
“Handlebar Length 58cm / 22.8inch”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
“Top Tube Length 52cm / 20.5inch”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
“Wheel Diameter 51cm / 20.0inch”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
“Crank Length 17cm / 6.7inch”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
“Seat Tube Length 60cm / 23.6inch”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Identity
- Model name on the product page
- VIVI MT20UL Electric Bike
“VIVI MT20UL Electric Bike 3.0" Fat Tire Folding Electric Bike SGS Certified to UL2849”
Source: viviebikes.com/collections/all-electric-bikes
Buying and owning it
- What comes with the bike
- Electric Bike (Pre-assembled) Removable Battery Battery Charger Fenders Saddle Kit Pedals Tool kit User Manual
“Electric Bike (Pre-assembled) Removable Battery Battery Charger Fenders Saddle Kit Pedals Tool kit User Manual”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Certification claims
- E-bike class
- 2
Row from the maker’s page: “E-bike Class” | “2”
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Sources
- VIVI MT20UL Electric Bike 3.0" Fat Tire Folding Electric Bike SGS CertArchived document
Source: viviebikes.com/products/vivi-mt20ul-electric-bike-fat-tire-folding-electric-bike
Retrieved October 13, 2026
- Archived document
Source: viviebikes.com/collections/all-electric-bikes
Retrieved October 21, 2026