250W Rear Hub Assistance
Powered by a 48V 250W brushless rear hub motor, the K820 Pro is built for smooth everyday riding with consistent assistance and a natural pedal feel when you want to keep it efficient.
KETELES K820 Pro Electric Bike
Motor
250W
Battery
48V 17.5AH
Speed
50 KM/H
Range
31–45 KM
€1.213,95
€958,95
Sold out
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Taxes and standard EU delivery included. No import fees.
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Delivery to Austria
Estimated 3–7 working days. Your shipment will have tracking information where available.
All EU orders are dispatched through our European warehouse network, with taxes and standard delivery included in the displayed price.
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Pre-order information
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We may also offer an additional 30-day return option for eligible unused and unopened items, subject to our policy.
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Support beyond delivery
Our team can help with product questions, troubleshooting and eligible warranty or fault claims.
Qualifying EU consumer purchases are generally protected by a minimum two-year legal guarantee for goods that are faulty or not as described. Some countries provide longer protection. These rights are separate from any optional manufacturer or commercial warranty.
Please include your order number and a description of the issue when contacting us.
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The displayed price is your final price
All TrailSurge.eu orders are fulfilled through our European warehouse network. We take care of applicable taxes and any customs-related costs.
No import fees, customs invoices or extra VAT bills on delivery. Standard delivery is included in the displayed price.
No unexpected charges on arrival. Optional services, if selected, are clearly priced before you complete your purchase.
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Included with your purchase
TrailSurge Warranty+
12 monthsof cover
UK-based warranty and after-sales support
What’s covered
Frame & forks · Motor & controller · Battery & charger · Factory-fitted electrics & mechanical parts
Here when you need us
Fault assessment, warranty guidance and help arranging eligible repairs or replacement parts.
Need to make a claim?
Contact our UK team with your order number and a few photos.
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Cover & exclusions
Normal wear, accidental damage, misuse and unauthorised modifications are excluded. Eligibility and remedies are subject to the full warranty terms.
Need to make a claim?
Contact TrailSurge with your order number, a description of the fault and clear photos or a video. Our team will assess the issue and explain the next steps.
KETELES manufacturer warranty
Manufacturer warranty period
3 years on the frame and 1 year on original fitted parts from delivery.
Manufacturer cover
Manufacturing defects affecting the frame, battery, motor, controller, charger, forks, brakes, display, lights and other original components. Approved cases are generally resolved with replacement parts.
Separate manufacturer terms apply. Warranty periods are not added together.
View warranty details Hide warranty details
What’s covered
Frame & forks · Motor & controller · Battery & charger · Factory-fitted electrics & mechanical parts
Here when you need us
Fault assessment, warranty guidance and help arranging eligible repairs or replacement parts.
Need to make a claim?
Contact our UK team with your order number and a few photos.
Cover & exclusions
Normal wear, accidental damage, misuse and unauthorised modifications are excluded. Eligibility and remedies are subject to the full warranty terms.
Need to make a claim?
Contact TrailSurge with your order number, a description of the fault and clear photos or a video. Our team will assess the issue and explain the next steps.
KETELES manufacturer warranty
Manufacturer warranty period
3 years on the frame and 1 year on original fitted parts from delivery.
Manufacturer cover
Manufacturing defects affecting the frame, battery, motor, controller, charger, forks, brakes, display, lights and other original components. Approved cases are generally resolved with replacement parts.
Separate manufacturer terms apply. Warranty periods are not added together.
Description
Quick Summary
The KETELES K820 Pro is a compact single-motor fat‑tyre e‑bike designed for everyday urban and trail riding. It's a versatile commuter that balances range and power in a user-friendly foldable package.
Smooth Power Delivery
The 250 W rear hub motor delivers steady pedal‑assist and throttle support, perfect for city streets or light trail use. Riders report smooth speed control and reliable performance across flat and rolling terrain.
Comfort & Control
Fat tyres and front suspension absorb bumps, offering confidence on uneven surfaces. Disc brakes provide reliable stopping power, and the Shimano 7‑speed drivetrain gives flexibility when accelerating or climbing.
Smart Battery System
A large 48 V 17.5 Ah removable battery ensures extended ride range. It locks to the frame and includes typical safety protections against over-charge and over-discharge for added peace of mind.
Tech You Can Trust
Full LCD display shows all key ride metrics—speed, distance, battery life, and assist level—making it easy to monitor performance and plan rides efficiently.
Built for Everyday Use
The folding frame allows for compact storage and transport. With its fat‑tyre stability, moderate weight, and reliable components, the K820Pro is a versatile option for daily commuting, errands, and casual off‑road fun.
Specifications
| Collection | Electric Bikes |
|---|---|
| Brand | Keteles |
| Motor Power | 250W |
| Battery | 48V 17.5AH |
| Top Speed | 31 MPH |
| Acceleration Method | Regular Pedalling + Pedal Assist + Throttle Acceleration |
| Max Range | 19-28 MILES |
| Charging Time | 7-8 Hours |
| Shock Absorbers | Front |
| Wheel Size | 29 x 2.1 Tyre |
| Brakes | Disc Brakes |
| Gears | Shimano 21-Speed |
| Bike Weight | 38KG |
| Max Climb | 15 degrees |
Size & Rider Fit
Check rider measurements and sizing before you order.
Maximum load
200KG
More measurements & dimensions
- Seat height
- 99 cm
Sizes are a guide. Rider proportions, footwear and setup can affect fit.
48V 17.5AH Removable Battery
Removable 48V 17.5AH lithium battery designed for easy charging at home or work. The brand quotes around 30-45km of range per charge (usage dependent) with a typical 7-8 hour recharge time.
Confidence on Mixed Terrain
29x2.1 tyres and front suspension help take the sting out of bumps, and disc brakes provide reliable stopping. Shimano 21-speed gearing gives you the cadence range for hills and flatter cruising.
What’s Included in the Box?
1 x KETELES K820 Pro Electric Bike
1 x Front & Rear Fender Set
FREE
1 x Charger
2 x Keys
1 x Tool Kit
1 x User Manual
Frequently Asked Questions
KETELES K820 Pro Electric Bike
€958,95
