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Jasion Roamer ST Pro

Step-through commuter electric bike with front suspension, Samsung/LG battery cells, and comprehensive lighting system including turn signals, brake lights, and headlights. Features a 1200W peak hub motor with 60 Nm torque, 48V 11Ah battery, and 26x2.25" Michelin run-proof tires. UL 2271 and UL 2849 dual certified. Four electronic control systems for enhanced safety.

In brief: Commuter. 48V 11Ah battery. Class 2 (Throttle 32 km/h). Up to 45 km/h. Aluminum frame.

Specs verified Jul 9, 2026

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Specifications

Classification

E-Bike Class
Class 2 (Throttle 32 km/h)
Bike Type
Commuter

Motor

Motor Position
Rear Hub
Peak Wattage
1200W
Torque
60.00 Nm
Top Assist Speed
45 km/h

Battery

Voltage
48.0V
Capacity
11Ah
Energy
528Wh
Chemistry
Li-ion
Estimated Range
Up to 100 km
Removable
Yes

Frame & Build

Frame Material
Aluminum
Frame Style
Step-Through
Wheel Size
26"
Folding
No

Drivetrain & Brakes

Gears
7-speed
Drivetrain
Derailleur
PAS Levels
5
PAS Sensor
Cadence
Throttle
Yes
Brakes
Mechanical Disc

Features

Max Payload
136 kg
Suspension
Front Only (Hardtail)
Integrated Lights
Yes
Rear Rack
No
Fenders
No
UL Certified
Yes

Physical

Weight
27 kg

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