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Carbon Fold Step-Thru E-Bike
The lightest carbon folding e-bike – just 36 lbs
Urtopia’s Carbon Fold ST redefines mobility as the lightest foldable electric bike, featuring a 2-step folding design for city commuting and easy storage anywhere.
Toray® Carbon Fiber31 lbs Lightweight
All-day RangeUp to 50 miles
Space-efficient20% more compact
Torque SensorZero-Latency Response
Colorful DisplayLCD Screen
Safety CertifiedUL 2849
General Info
Model
Carbon Fold Step-Thru E-Bike
Ideal use
Commuter
Bike Weight
36.3 lbs (16.5kg)
Net Weight
33.9lbs (15.4kg) w/battery
29.8lbs（13.5kg）w/o battery*All stated weight have tolerance <5%. Net weight excludes all accessories such as rack, kickstand, fender, pedals etc.
29.8lbs（13.5kg）w/o battery*All stated weight have tolerance <5%. Net weight excludes all accessories such as rack, kickstand, fender, pedals etc.
Material
Carbon fiber frame & fork
Folding
Yes
Frame style
Step-Through
Pedal Assist Range
Up to 44.4 miles
*The range was tested with a 180 lb rider, riding in ECO mode on flat roads with pedal assist only and no throttle.
Top Speed
20mph
Total Payload Limit
220lbs
Rider Height
4’11” – 6’5”
Brakes
TEKTRO 2-piston Hydraulic disc brakes
Wheels
Kenda 20″ x 1.95″
Bike Water Resistance
IP65
Ebike System
Motor Power
Rated Power 250W (Peak Power 470W) rear hub
Motor Max. Torque
26Nm
Battery
36V 7Ah (252Wh) Seat Post Battery, UL 2271 Certified (TUV Rheinland)
External Battery
No
Pedal Assist
4 levels
Charger
36V 2A Charger, DC Head, 4 Hour Charging Time
36V 4A Fast Charger, 2.5-Hour Charging Time
36V 4A Fast Charger, 2.5-Hour Charging Time
Display
2.0” Color LCD display
Sensors
Torque sensor, accelerometer
Lights
Front: External headlights 60 lux
Rear: Integrated rear light w/deceleration light
Throttle
Optional (up to 20 mph)
Class
Class 1 or 2
Drivetrain
Chainrings
52T
Crankset
Aluminum, length 170mm
Cassette
14-28T, 7 Speed
Chain
Shimano 7-Speed
Rear Derailleur
Shimano Tourney 7-Speed
Shift Lever
7 Speed Trigger
Pedals
Foldable PC pedals, 98x72x26mm
Cockpit
Grips
Durable ergonomic grips, lockable
Seat Post
Aluminum Alloy with In-Tube Battery, 46mm Clamp,
Adjustment Range: 300mm
Adjustment Range: 300mm
Fork
Carbon fiber fork
Saddle
Velo Saddle,272x158x70mm
Handlebar
Aluminum, 580mm Wide
Stem
Aluminum Folding Stem, Height & Angle Adjustable with Quick Release
Smartbar
Smartbar features
No
Connectivity
No
Theft Defenses
N/A
App
No
SIM/Connect Service
No
Size Guide
xxxx
Recomm. rider height
A. Max Seat Height
B. Min Seat Height
C. Overall length
D. Handlebar grips height
E. Headset height
F. Seat tube length
G. Wheel diameter
H. Wheelbase
I. Height after folding
J. Overall length after folding
K: width
One Size
4’11’’ – 6’5’’
1090 mm (43’’)
800 mm (31’’)
1540 mm (61’’)
1100 mm (43’’)
440-310 mm (17’’-12’’)
410 mm (16’’)
510 mm (20’’)
1025 mm (40’’)
720 mm (28’’)
810 mm (32’’)
480 mm (19’’)
