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URTOPIA Joy Carbon Fat Tire Electric Bike
Easy to use, comfy to cruise, built tough
Discover the Joy Carbon, a lightweight fat tire ebike designed for cargo, commuting, and all-terrain adventures. This step-through, moped-style electric bike combines power, comfort, and versatility—perfect for riders seeking a compact, family-friendly ride.
Toray® Carbon Fiber
30% Lighter
All-day Range
Up to 70 miles
Payload capacity
330 lbs
Motor Power
500W
Top Speed
25 mph
Safety Certified
UL 2849
Specs
General Info
Ideal use
Cargo & Utility
Bike Weight
56.8 lbs (25.8kg)
Net Weight
52.4 lbs (23.8kg) w/ battery 45.3 lbs (20.6kg) 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
Pedal Assist Range
Up to 65 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 by default
25mph upon unlock
Total Payload Limit
330 lbs
Brakes
TEKTRO Hydraulic Disc Brakes with Power Cut-Off Sensor
Wheels
Kenda 20″x3.0″, puncture-resistant fat tire, Thru-Axle
Bike Water Resistance
IP65
Ebike System
Motor Power
Rated Power 500W (Peak Power 750W) rear hub
Battery
36V, 14,7Ah (529.2Wh) Samsung Li-ion, Removable, UL 2271 Certified
Charger
36V 4A Fast Charger, 3.5-Hour Charging Time
Display
3.5” Color LCD display
Sensors
Torque sensor, accelerometer
Lights
Front: External light, 30 Lux
Rear: External tail light w/ brake sensing, rear rack mounted
Throttle
Yes (up to 20mph)
Class
Class 2 by default
Class 3 upon unlock
Drivetrain
Crankset
Aluminum alloy, 152mm
Rear Derailleur
Shimano Altus 8-speed
Shift Lever
8 Speed Trigger
Pedals
PP, 103 x 84 x 24mm
Cockpit
Grips
Durable ergonomic Grips, lockable
Seat Post
Aluminum Alloy, 2-stage adjustable design Diameter: φ30.9mm (inner section) φ34.9mm (outer section) Adjustment range: 100mm (inner section) 120mm (outer section)
Fork
50mm travel Aluminum suspension fork with preload adjustment
Saddle
Comfort saddle, 253x223x90mm
Handlebar
BMX style, Aluminum, 31.8mm Clamp, 720mm wide, 16° backsweep
Stem
Aluminum Stem, 0-90° adjustable
Smartbar
App
Urtopia APP, only for OTA
Size Guide
Recomm. rider height 4’11’’~6’3’’
A. Top Tube Length
B. Max Seat Height
C. Min Seat Height
D. Overall Length
E. Wheelbase
F. Wheel Diameter
G. Head Tube Length
H. Handlebar Height
I. Standover Height
One Size
4’11’’~6’3’’
586 mm(23’’)
1010 mm(40’’)
770 mm(30’’)
1698 mm(67’’)
1136.5 mm(45’’)
560 mm(22’’)
190 mm(7’’)
1011 mm(40’’)
411 mm(16’’)
