EU
UK
US
CA
Top Speed
28 Mph
Motor Power
1200W
Sensor
Torque Sensor
Battery
48V 14Ah
Max Range
62 Miles
Torque
60 Nm
Roamer ST Pro
Urban Style Step-Through Cruiser E-Bike
Sale Ends In
Compatible Accessories
Extra One Year Warranty
FREE $199.00
Jasion Ebike Bike Fenders
FREE $79.00
Jasion Ebike Rear Rack
FREE $79.00
Warranty
Shipping
Returns
🔥Early Bird Price — $899 | Limited Time
✅2-Year Warranty & 14-Day Easy Returns
🔥Hurry!Price Goes Up After April 30!
Roamer ST Pro
Top Speed
28 Mph
Motor Power
1200W
Sensor
Torque Sensor
Battery
48V 14Ah
Max Range
62 Miles
Torque
60 Nm
| Motor | 1200W Brushless Hub Motor |
| Fork | Suspension Front Fork |
| Brake | Mechanical Disc Brake |
| Shift Lever | Shimano 7 Speed |
| Throttle | Thumb Throttle |
| Sensor | Torque Sensor |
| Pedal assist | 0-5 Level |
| Torque | 60 Nm |
| Top Speed | 28 Mph |
| Range | Up To 62 Miles |
| Charging Time | 4-5 Hours |
| Battery | 48V 14Ah |
| Controller | 48V 18A |
| Tires | 26 x 1.95'' Fat Tire |
| Rider Height | 5'2 - 6'6'' |
| Weight | 62 Lbs |
| Max Payload | 300 Lbs |
| Product Dimensions | 1720*620*1200(mm) |
| Package Dimensions | 1350*220*700(mm) |
| Mode | PAS+Throttle |
| Sensor | Torque Sensor |
| Display | LCD Display |
| Light | Left and Right Turn Signal & Brake Lights |
| Folding | No |
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
Local Warehouse
On your doorstep in just 2-4 days across 49 states.
A+ Customer Service
24-Hour Online Customer Service.
Contact Us
- Contact Email: support@jasionbike.com
- Contact Phone：(+1) 888-825-6366
Beyond Comfort. Beyond Control.
Roamer ST Pro was created as the next evolution of the Roamer series—designed for riders who value comfort, control, and effortless everyday mobility. Built on the foundation of step-through accessibility and smooth cruising, it reimagines what a commuter eBike can be.
From daily city rides to longer weekend escapes, Roamer ST Pro enhances the original vision with upgraded intelligence, refined power delivery, and rider-focused comfort—making every journey feel natural, stable, and easy.
Intelligent Power, Effortless Control.
At the core of Roamer ST Pro is a smarter riding experience. The upgraded torque sensor works seamlessly with a 1200W peak motor, delivering power that responds instantly and intuitively to every pedal stroke. The result is smooth acceleration, better control, and a ride that feels more connected.
With Smart App Tuning, riders can further personalize performance—adjusting assistance levels and ride behavior to match different conditions and preferences.
Comfort in Every Detail
Every detail of Roamer ST Pro is engineered to enhance rider comfort and control. A front suspension fork absorbs shocks from uneven roads, while upgraded hydraulic disc brakes deliver reliable, responsive stopping power in all conditions.
The upgraded dual-layer breathable saddle with high-density foam ensures lasting comfort on every ride. Each component is carefully selected and integrated to create a balanced system that feels smooth, stable, and dependable.
Effortless Riding, Refined
The result is Roamer ST Pro—a step-through electric bike that blends intelligent performance with everyday comfort. With responsive torque-based power, upgraded braking, enhanced suspension, and long-range capability, it transforms routine rides into effortless experiences.
Designed to be easy to ride, comfortable to own, and adaptable to every journey, Roamer ST Pro delivers a smooth, confident ride—where comfort meets control, and every mile feels just right.
1200W Brushless Hub Motor
1200W Brushless Hub Motor
Power That Goes the Distance
Power That Goes the Distance
Confidence in Every Stop
Confidence in Every Stop
Upgraded hydraulic disc brakes deliver smooth, precise stopping power designed for city riding. From busy streets to sudden stops at traffic lights, you get instant, controlled braking with minimal effort.
Responsive, consistent, and reliable in all conditions, it gives you the confidence to navigate urban environments safely—every ride, every time.
Smoother Streets, Less Fatigue
Smoother Streets, Less Fatigue
City roads aren’t always smooth—but your ride can be. The front suspension fork absorbs everyday bumps, cracks, and curbs, so you feel less impact through your hands and body.
Whether you’re commuting, cruising, or riding longer distances, it helps reduce fatigue and keeps your ride stable and comfortable—so you can stay focused on the road, not the rough spots.
Quality in details
Headlight & Taillight
Powerful lighting system with integrated LED headlight, brake tail light, and left/right turn signals, designed to keep you visible and safe in every direction.
Connect. Ride. Explore.
Monitor your battery, track rides, customize settings, and plan routes all from your phone. Stay connected for a smoother ride.
Extra-Comfort Saddle
The upgraded saddle is built with high-density foam that feels softer while providing proper support. Its pressure-relief design helps reduce soreness on longer rides, so you stay comfortable from start to finish.
26'' x 1.95'' Puncture-Resistant Tires
26'' x 1.95'' puncture-resistant tires offer superior flat protection and adapt effortlessly to all terrains—from city streets to rugged trails.
Shimano 7-speed
Smooth shifting with a Shimano 7-speed drivetrain, paired with an easy-to-use thumb throttle for precise, effortless control.
Color Display
Displays critical ride data like speed, battery life, and mileage, with excellent visibility in all light conditions.
Pack More, Ride More
The sturdy rear rack lets you take everything you need on the go—whether it’s groceries, camping gear, or even a furry friend. It’s designed to fit bags, cargo boxes, and pet carriers, so you're always ready for your next adventure.
Specs & Geometry
SIZE (inch)
One Size
A Total Length
66.9''
B Handlebar Height
44''
C Wheelbase
40''
D Minimum Seat Height
31.4''
E Maximum Seat Height
37.9''
F Chainstay
16.5''
G Head Tube Length
6.6''
H Handlebar Length
25.6''
I Wheel Diameter
25.9''
Motor
1200W Brushless Hub Motor
Throttle
Thumb Throttle
Charger US
Standard 2.0 A
Range
Up To 62 Miles
Battery
48V 14Ah
Controller
48V / 18A
Tires
26'' x 1.95'' Fat Tire
Rider Height
5'2'' - 6'6''
Pedal Assist
0-5 Level
Weight
62 Lbs
Product Dimensions
1720*620*1200(mm)
Package Dimensions
1350*220*700(mm)
Max Payload
300 Lbs
Display
LCD Display
Lights
Left and Right Turn Signal & Brake Lights
Suspension
Front Suspension Fork
Roamer ST Pro
Fender*2
Rear Rack*1
Charger*1
Toolkit*1
Pedal*2
Kickstand*1
Manual QR Code Card*1
FAQ
1. First-of-Its-Kind Turn Signals Designed
The Roamer ST Pro boasts a powerful lighting configuration that includes left and right turn signals, brake lights, rear taillights, and front headlights. These high-performance lights ensure enhanced visibility and safety during nighttime rides, allowing you to navigate your surroundings with ease. Jasion's exclusive design of the left and right turn signals distinguishes it from other electric bikes on the market, marking a pioneering achievement. With the simple flick of a switch on the handlebars, you can signal your intentions to people behind you, further safeguarding your commuting experience. Even when the lighting system is inactive, the left and right turn signals can still remain illuminated, providing an added layer of awareness and protection throughout your journey.
2. Roamer ST Pro Features
Roamer ST Pro is designed for safe and effortless city commuting, featuring a complete lighting system with front headlights, rear taillights, brake lights, and integrated turn signals to keep you visible in traffic. Powered by a 1200W peak motor delivering 60Nm of torque, it reaches speeds of up to 28 mph and offers a range of up to 62 miles, making it ideal for daily rides.
With fast charging in just 4–5 hours, it fits seamlessly into your routine—charge it when you get home, and it’s ready to go by the time your day winds down.
3. What's your shipping policy?
Jasion has suspended local pick-up services in the United States. If pick-up services are resumed, we will update the information on our website. Please check the website for updates.
We provide UPS, USPS, and FedEx shipping services. We DO NOT ship to PO BOXES.
In-stock orders typically ship within 2 business days, unless otherwise noted on the product page. Please allow 5-7 business days for your shipment to arrive at your address. Any delivery dates provided by JASION are estimates.
For more shipping information, send an email to support@Jasionbike.com. We will get back to you in 24 hours.
Want to know more about shipping policies, please check more details on our Shipping Policy Page.
4. What's your warranty policy?
All JASION bikes carry a one(1) year warranty from the date of receipt of the bike for manufacturing defects in materials and/or workmanship( all free accessories are not covered).
We will replace any component that is defective or damaged in materials and/or workmanship( including the damage in the processing of shipment).
Before making a warranty claim, we suggest that you first contact us at support@jasionbike.com.
Want to know more about warranty policies, please check more details on our Warranty Policy Page.
5. What's your return&refund policy?
We provide exchange service within 14 days. If the product is defective or damaged, Send damaged photos or videos to customer service within 14 days after receiving the goods, and the damaged parts can be replaced or compensated. We will cover the return (exchange) shipping costs.
In the case of non-quality returns, the customer will be responsible for the return shipping costs.
You can always contact us for any return questions at support@jasionbike.com.
Want to know more about return and refound policies, please check more details on our Return&Refund Policy Page.
6. Does my height suit EB5 Roamer？
The recommended rider height is 5'2"-6'6".
