Features:

• Size: 20x4.0'. This ideal size offers great stability and maneuverability.
• Comes with 1 Wheel & Rim Assembly that can be used for front or rear installation, providing flexibility.
• Made of high - quality aluminium construction, ensuring durability and light weight.
• Equipped with stainless spokes for enhanced strength and corrosion resistance.
• Powered by a 48V 500W Bafang Hub Motor, delivering strong and reliable performance.
• Rear assemblies include a Shimano 7 Speed Freewheel Cassette, allowing for smooth gear changes.
• Please note, it does not include Motor Wiring Loom, Discs, Tyres/Tubes.
• Requires a 500W or 750W Rated controller to operate.
• It's a compatible replacement for 20' Ampd Bikes, making it a great upgrade option.

Using this 20x4.0 Bafang 48V 500W rear motor and wheel assembly is straightforward. First, make sure you have a 500W or 750W rated controller as it's required for operation. You can install the wheel and rim assembly either at the front or rear according to your needs. When it comes to maintenance, regularly check the stainless spokes for any signs of damage. Since the aluminium construction is durable, it doesn't need much special care, but avoid exposing it to harsh chemicals. The Shimano 7 - speed freewheel cassette in the rear assembly needs to be kept clean for smooth gear changes. Remember, this product doesn't come with a motor wiring loom, discs, or tyres/tubes, so you'll need to get those separately. If you're using it as a replacement for 20' Ampd Bikes, ensure a proper fit during installation.