Power On & Test
Connect the battery and throttle, then power on the system to test the motor.
Jahora A9 Power E-Bike Conversion System
14"–18" / 48V 5.2AH
$649.99 USD
Sale price
$649.99 USD
Regular price
$849.99 USD
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Jahora A9 Power E-Bike Conversion System
Best DealNew Customer Offer — $50 Off Your First Order
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After years of development, we created a new way to upgrade traditional bicycles into powerful eBikes. Our Power Upgrade System combines a high-performance motor, battery, controller, and smart assist technology, giving riders more power, longer range, and easier climbs without replacing their favorite bike. We call it the Bike Power Upgrade System — a smarter way to electrify your ride.
Peak Motor 750W
Maximum speed 40 km/h
Fits 14-28" Bicycles
Smart Control At Your Fingertips
W2 Thumb Throttle
Adjust multiple assist levels, control acceleration, and reach speeds up to 45 km/h with a simple thumb control.
Easy Installation
Install your eBike conversion kit with simple steps. Follow the guide to complete the setup and upgrade your ride.
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Install the Drive Sprocket
Attach the silicone pads, place the sprocket on the spokes, and secure it with the backing plate and screws.
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Install the Fixed Bracket
Attach the bracket to the front fork and adjust it close to the white bushing.
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Install the Chain
Route the chain through the sprocket and chainring, then connect it with the chain buckle.
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Install the Main Unit
Mount the main unit onto the bracket and adjust its position for proper chain alignment.
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Install the Battery & Controller
Mount the controller on the handlebar and secure the battery on the bike frame.
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Power-On Test
Complete the installation and test the motor to ensure the system works properly.
Transform Your Bike Into An E-Bike
Your Bike
✕
Pedal Only
✕
Less Range
✕
Harder Climbs
Your E-Bike
✓
Electric Assist
✓
More Range
✓
Easy Climbs
Frequently Asked Questions
Find answers about installation, compatibility, shipping, returns, and product support.
Orders are usually delivered within 8–15 business days after shipment. Delivery times may vary depending on your location and shipping conditions.
We use FedEx, UPS, postal services and other trusted delivery partners. The most suitable carrier is selected based on your location.
Yes. Applicable taxes and import duties are included in the amount paid at checkout. You should not normally be charged additional import fees upon delivery.
The Jahora A9 conversion system supports most bicycles with 14"–28" wheels. Please check your bike specifications before ordering.
The kit is designed for DIY installation. With the included installation guide and basic tools, most users can complete the setup step by step.
Yes. If you are not satisfied with your purchase, please contact our support team within the return period. Products must meet the return conditions.
We provide installation assistance and technical support to help you set up and use your eBike conversion system.