Sada pro přestavbu na elektrické kolo LVBU KF

KF30S 250W 9Ah Front / Black

€399,00

€399,00 €399,00

1/5

Sada pro přestavbu na elektrické kolo LVBU KF

€399,00

€399,00 €399,00

Tax and shipping included

Highlights:

Chytrý asistenční systém
Vysoce efektivní výkonové uspořádání
Dojezd s asistencí až 90 km
Bluetooth 5.0
Indukční vypínací systém
Vestavěný gyroskop
Detekce sklonu vozovky
Použití v každém terénu
Sledování proti krádeži

Model:

Barva baterieBlack

BIKE COMPATIBILITY INFO (REQUIRED) — Select and enter below:
Wheel Size: 16", 406-20", 451-20", 24", 26", 27.5", 28"-700C, 29"

Použito 0/45 znaků

Ship from

Shenzhen, Hongkong

Shipping method

Sea freight

Order review time

Within 24 hours

Dispatch

2-day delivery to the carrier

Estimated delivery time

Delivery time

30-45

days

Estimated delivery by

06/23/2026 - 07/08/2026

• EU/UK: Duties & Taxes Included - No hidden fees at checkout
• Global Air Shipping: 8-15 Days - Free to most regions
• Compatibility Check - Engineers verify fit before shipping
• Tracking Included - Stay updated on your delivery

View Shipping Policy

• 14-Day Money-Back Guarantee - EU/UK legal cooling-off period
• No Hidden Fees - No restocking or processing charges
• 1-Year Warranty - All products covered (selected items up to 2 years)
• Quick Refunds - Within 7-10 business days

View Full Return & Refund Policy

Your payment security is our priority. All transactions on diyebicycle.com are protected with:

✓ 256-bit SSL encryption - Bank-level security for all data transmission
✓ PCI DSS compliance - Industry-standard payment protection
✓ Secure payment gateways - Trusted by millions worldwide
✓ Zero data storage - Your card details are never stored on our servers

Privacy Policy

Your feedback drives our innovation. Share your experience with our e-bike conversion systems to help us serve you better.

Need assistance?
Our technical support team specializes in:
- Installation guidance
- Compatibility verification
- Performance optimization
- Troubleshooting

📧 Contact: support@diyebicycle.com
⏰ Response time: Within 24 hours

About this item

Pouze jedno kabelové připojení
Velmi snadná montáž bez speciálních nástrojů

Chytrý asistenční systém
Vysoce efektivní výkonové uspořádání
Dojezd s asistencí až 90 km
Bluetooth 5.0
Indukční vypínací systém
Vestavěný gyroskop
Detekce sklonu vozovky
Použití v každém terénu
Sledování proti krádeži

Just 2 steps to convert a normal bike into a smart ebike

The KF series ebike kit can be quickly installed on your bike. It can be installed by anyone in a few minutes. There are two simple steps to turn your normal bike into a smart ebike:

Step 1: Replace the front wheel
Step 2: Attach the bottle battery and connect the only one cable to the motor

High quality 18650 lithium battery

EV lithium-ion battery cell with internal resistance as low as 18mΩ, capacity of 2900mA, 3C high-rate discharge. The 18650 power lithium battery offers consistency, high energy density, and faster charge-discharge performance.

Tried and tested over time, 80% capacity remains after 1000 cycles.

Using high-performance and high-safety BMS battery protection system

✅ Over-discharge protection

✅ Over current protection

✅ Temperature protection

✅ Over charge protection

✅ Short circuit protection

✅ Battery balance

250-500W high speed brushless motor

Small size, light weight, high efficiency, smooth operation, long life
Planetary gear and clutch: no resistance, easy to ride even when the battery is dead.

✅ Rated power:  250W/350W
✅ Peak power:  500W
✅ Voltage:  36
✅ Structure:  Gear Drive
✅ Efficiency:  >80%
✅ Max torque:  35-40N.m
✅ Top speed:  32km/h

ARM Cortex-M3 main chip

✅ with 6-axis gyroscope motion processing chip
✅ configure Bluetooth 5.0 Moduel
✅ 6 high-sensitivity speed-measuring magnets for precise speed measurement

High quality rim, skilled wheel truing process

✅ High-quality carbon steel spokes and high-quality knitting technology, the overall toughness is higher.
✅ The tension of the spokes is 50-110 kgf, and the runout is 0.5-0.6mm.

Micro Power System

10 years of research and development has gone into creating a versatile and cost-effective product for cyclists.
The micro power system offers intelligent assistance with induction brakes that have a response time of 10ms.
The system can sense the speed, acceleration and road slope,
it will help you automatically when you pedal.Uphill automatically increase power,downhill automatically cut off power.

5.0 Intelligent bluetooth connection

Bluetooth 5.0 module allows you to connect multiple devices at the same time.

Check the real time cycling data and set the assist mode on the APP

And also you can check the speed, temperature, power, mileage, etc.

Speed up to 32km/h

Speed limitation is settable in the APP.
*The default Speed limitation is 25km/h, you can set the speed limitation up to 32km/h in the APP.

Anti-theft tracking,lost bike tracking. You can report lost when your bike is stolen.

After you report lost, once the thief tried to connect the wheel with the APP, the system will locate the mobile phone, disable the motor immediately and upload the information to the server.

5 Smart Assist Modes

Thanks to the advanced algorithm, you can ride it naturally without any jerky and laggy, just like the electric assist is a part of you. It will work in tune with your pace. And we will keep on optimizing the system and publishing it from time to time. You will be able to update the system via the APP.

✅ Leisure mode

✅ Commute mode

✅ Exercise mode

✅ Manual mode

✅ Climbing mode

LVBU KF Series Ebike Kit Product Paramenters

Model	KF30S
Battery Capacity	36V 9Ah
Cell Quantity	30 cells
Charging time	4.5 H
Battery Type	18650 power lithium ion battery
Charger	AC110V-AC220V, DC42V 2A, Type C plug
Assist Range	90km *The assist range is under conditions: 60kg weight rider, ouside temperature 25℃,no wind, 50% assist level under manual mode, tires with enough air pressure, riding on flat level road.
Top Speed	32km/h
Wheel size	12"/14"/16"/20"/24"/26"/27.5"/28"/29"/700c
Rated Power	250W
Motor Structure	Gear drive
Motor Efficiency	>80%
Max Torque	30N.m
Wireless Connection	Bluetooth 5.0 (Allows the controller to connect to multiple devices at the same time)
Motor Weight	2.6kg/2.55kg/3.25kg/3.45kg/2.7kg (250w Front / 250w Rear/350w Front/350w Rear/ 250w Rear with torque sensor)
Battery Weight	1.74 kg
Controller Weight	0.4 kg
Package	10kg, 707020cm

Product Dimensions

Packing list

Frequently asked questions

EU & UK Customers: No additional fees!

We provide full customs clearance service for all 27 EU countries + United Kingdom:

✅ Price includes all taxes and duties - The price you see is the final price
✅ We handle customs fees - No additional customs fees for you
✅ We pay duties and taxes - All import duties and VAT paid by us
✅ No hidden fees - No unexpected additional charges
✅ Smooth delivery - We handle all customs procedures for fast delivery

For customers outside EU & UK: You are responsible for any applicable customs duties, taxes, and import fees in your country.

Our full customs clearance service covers all 27 EU countries + United Kingdom:

Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, and United Kingdom.

For EU & UK customers, we ship DDP (Delivered Duty Paid), meaning all customs duties, taxes, and import fees are included in your purchase price. You won't receive any surprise bills from customs or delivery companies.

We use a pre-authorization payment process for all orders:

Friction drives & conversion kits:

Your card is pre-authorized at checkout
We verify compatibility within 24 hours
Payment is captured after compatibility confirmation
If incompatible, the pre-authorization is released (no charge)

All other products:

Your card is pre-authorized at checkout
Payment is captured within 24 hours
No compatibility verification needed

You'll receive email confirmation once payment is processed.

Pre-authorization temporarily reserves funds on your card without charging you immediately. This allows us to verify compatibility for technical products and ensure order accuracy before final payment. The charge is completed within 24 hours for standard items, or after compatibility confirmation for friction drives and conversion kits.

We process and ship most orders within 1-3 business days. Special products may require 7-14 days processing time.

Delivery time depends on your shipping method:

EU Express Delivery (EU 27 only): 2-8 days from our France factory
Standard Air Shipping: 8-15 business days from Hong Kong
Sea Freight (for battery kits): 15-45 business days from Hong Kong

Please note: Friction drives and conversion kits require a 24-hour compatibility verification before shipping.

You'll receive tracking information via email as soon as your order ships, typically within 1-3 business days after placing your order.

Please note: Your tracking may initially show "Awaiting Pickup" or similar status until the package clears customs and enters the local delivery network. This is normal and doesn't indicate a delay.

Total delivery time = processing time + shipping time.

Processing: 1-3 business days for most items (7-14 days for special products)

Shipping time depends on your method:

EU Express Delivery (EU 27 only): 2-8 days
Standard Air Shipping: 8-15 business days
Sea Freight (battery kits): 15-45 business days

Total estimated delivery:

EU Express: 3-11 days total
Standard Air: 9-18 business days total
Sea Freight: 16-48 business days total

Note: Friction drives and conversion kits require 24-hour compatibility verification, which may add one day to processing time.

Tracking updates may be delayed during customs clearance, especially for international shipments. If your tracking hasn't updated for several days after the initial scan, please contact us at support@diyebicycle.com.

Yes! We welcome special orders and product requests. Our procurement team can source products that align with our DIYebicycle focus.

For out-of-stock items:

Contact us at support@diyebicycle.com with the product you need
We'll provide an estimated restock or procurement timeline
You'll be notified as soon as the item is available

For product requests: If you're looking for a product we don't currently carry, we'd love to hear from you! Products that fit our catalog may qualify for our Early Adopter Program, where you can:

Be the first to test new products
Receive significant discounts as a trial user
Help shape our product selection

Simply email us at support@diyebicycle.com with your product request and we'll let you know if it qualifies.

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🔷	Different payment plans may be shown depending on the purchase amount and credit score.
🔷	Complete your checkout The amount will be charged based on the payment plan you chose.

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Sada pro přestavbu na elektrické kolo LVBU KF

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