How portable is the KETELES KF9 20 Inch Folding Electric Bike?

The frame folds to roughly 90 cm long by 75 cm high, reducing the space it occupies in storage. The manufacturer lists a 38 kg gross weight for the 1000W 35Ah version, so the fold is primarily for storage and vehicle loading rather than daily carrying. Check the boot opening and use two people if the lift is awkward.

Which rider heights suit the KETELES KF9 20 Inch Folding Electric Bike?

KETELES gives an approximate recommended height range of 170–190 cm for the 1000W KF9. The 20 × 4-inch tyres make the bike taller and wider than a typical small-wheel folder, so riders should also confirm they can stand over the frame, reach the brakes and achieve a comfortable knee bend.

How long does the KETELES KF9 battery take to charge?

The official specification gives about 7–8 hours for the 48V 35Ah battery with its 2A charger. Charge the removable pack after it has cooled, on a dry stable surface with ventilation around the charger. A partial top-up is often more practical than waiting until such a large battery is fully depleted.

Is the Składany rower elektryczny KETELES KF9 20 cali easy to assemble?

The Składany rower elektryczny KETELES KF9 20 cali arrives mostly assembled. Final setup normally includes aligning and securing the handlebars, fitting the pedals and completing essential safety checks. Allow approximately 20–30 minutes, or select our professional assembly and PDI service.

Is the Składany rower elektryczny KETELES KF9 20 cali water resistant?

The Składany rower elektryczny KETELES KF9 20 cali is not fully waterproof. Avoid prolonged exposure to heavy rain, and never submerge or pressure wash the bike or its electrical components. After riding in wet conditions, wipe the bike dry and store it in a dry, sheltered location.

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KETELES KF9 20 Inch Folding Electric Bike 48V 35AH KETELES

Składany rower elektryczny KETELES KF9 20 cali

Motor

1000 W

Battery

35AH

Speed

24 KM/H

Range

0 KM

€2.307,95 €1.457,95

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Warranty & customer support Order assistance and applicable legal guarantees

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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All TrailSurge.eu orders are fulfilled through our European warehouse network. We take care of applicable taxes and any customs-related costs.

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Road use notice: This bike is over 250W and is for private land/off-road use only. Need a UK road-compliant option? View road legal e-bikes .

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

Separate manufacturer terms apply. Warranty periods are not added together.

Description

Szybkie podsumowanie
KETELES KF9 to składany rower elektryczny o dużej pojemności i dalekim zasięgu, zbudowany z myślą o mocy i wytrzymałości. Dzięki ogromnemu akumulatorowi 35 Ah i silnikowi o mocy 1000 W jest przeznaczony dla poważnych rowerzystów, którzy oczekują prędkości, momentu obrotowego i wolności podczas dalszej jazdy.

Płynne dostarczanie mocy
Wyposażony w mocny silnik o mocy 1000 W i pięć poziomów wspomagania pedałowania, KF9 zapewnia płynne przyspieszanie i mocne pokonywanie wzniesień. Przepustnica umożliwia jazdę bez pedałowania, gdy zajdzie taka potrzeba.

Komfort i kontrola
Dzięki przedniemu i tylnemu zawieszeniu oraz 4,0-calowym grubym oponom KF9 z łatwością pokonuje nierówności i nierówny teren. Hydrauliczne hamulce tarczowe zapewniają doskonałą siłę hamowania i kontrolę w każdych warunkach.

Inteligentny system baterii
Ponadwymiarowy akumulator 48 V 35 Ah zapewnia jeden z najdłuższych zasięgów w swojej klasie. Można go zdejmować, zamykać i przeznaczony do całodziennej jazdy z wbudowanymi zabezpieczeniami zapewniającymi bezpieczeństwo i trwałość.

Technologia, której możesz zaufać
Wyświetlacz LCD wyraźnie pokazuje prędkość, poziom wspomagania, stan akumulatora i dane dotyczące jazdy, nawet w świetle słonecznym. Zintegrowane światła i trwała rama zapewniają niezawodną jazdę w dzień i w nocy.

Zbudowany do codziennego użytku
Składa się dla łatwego transportu lub przechowywania. Wyposażony w przednie i tylne błotniki, tylny bagażnik i zintegrowane oświetlenie — idealny na dojazdy do pracy, wycieczki lub weekendowe przejażdżki przygodowe.

Specifications

Collection	Rowery elektryczne
Brand	Keteles
Motor Power	1000 W
Battery	35AH
Top Speed	15,5 mil na godzinę
Acceleration Method	Regular Pedalling + Pedal Assist + Throttle Acceleration
Max Range	Ponad 30 mil
Charging Time	Ponad 7 godzin

Shock Absorbers	Przód
Wheel Size	Gruba opona 20 cali x 4,0
Brakes	Przednie i tylne hamulce tarczowe
Gears	Shimano 7-Speed
Bike Weight	28 kg
Max Climb	15 stopni

Size & Rider Fit

Check rider measurements and sizing before you order.

Maximum load 120 KG

More measurements & dimensions

Seat height: 99.06 cm
Deck size: Not applicable — bicycle frame
Built dimensions: 180 × 70 × 114 cm (L × W × H)
Box dimensions: 150 × 26 × 80 cm (L × W × H)

Składany rower elektryczny KETELES KF9 20 cali size and dimensions

Fit guidance: Folding 20 in fat-tyre frame with a published saddle height of 99.06 cm. Contact us if you need a fit check.

Sizes are a guide. Rider proportions, footwear and setup can affect fit.

Infographic showing an electric bike’s handlebar with labeled parts, including a smart LCD display, throttle, speed shifter, headlight, phone holder, and switches. Inset highlights display features for speed, battery, and distance.

1000W Rear Hub Drive

A 48V 1000W brushless geared rear hub motor gives the KF9 strong pickup for town riding and heavier loads, with pedal assist or twist throttle control.

Exploded view of a 1000W high-speed brushless motor with text highlighting features: 25-30 MPH max speed, 7-speed gear, 72Nm max torque, and 40° climbing angle.

48V 35AH Long-Range Battery

High-capacity 48V 35AH battery for longer rides, with a quoted 70-90km range depending on terrain, assist level and rider weight. Recharge time is around 7-8 hours with the supplied charger.

Close-up of a bicycles Shimano gear system, showing the rear derailleur, cassette, chain, and gear shifter with numbered dial, all mounted on the bikes black frame.

Foldable Fat-Tyre Comfort

The foldable frame is designed for easier storage and transport, while 20x4.0 fat tyres add stability on rough tarmac and light off-road. Hydraulic disc brakes and Shimano 7-speed gearing round out the ride.