As fuel costs rise and sustainability becomes a priority, many Australians are opting for electric bike kits instead of buying new e-bikes. Converting an existing bicycle is often more affordable and environmentally friendly and allows greater flexibility regarding performance and setup.

Electric bike kits are available for a wide range of needs — from simple, low-cost setups for daily commuting to powerful systems designed for off-road riding. The appeal lies in being able to upgrade your current bike without the expense of a full replacement.

In this guide, we explore the top electric bike kits available in 2025, show you how to install one step by step, and answer common questions about speed, value, and compatibility. Every recommendation is backed by accurate technical details, helping you make a confident, well-informed decision.

Our Top E-Bike Kit Picks Based on Real-World Use

Choosing the right electric bike kit depends on how and where you ride. Below, we’ve handpicked six standout kits, each suited to different riding styles, terrains, and budgets. From lightweight urban options to powerful off-road performers, here’s what’s worth considering.

1. For Lightweight City Commuting: Swytch Bike Air

Swytch Bike Air

The Swytch Bike Air is a compact, lightweight conversion kit perfect for commuters. It’s one of the lightest kits available, making it ideal for daily city riding, folding bikes, and anyone who values portability. A solid choice if you're looking for a low-cost electric bicycle setup that’s quick to install and easy to remove.

2. For Riders Who Want Mid-Drive Torque: TongSheng TSDZ2

The TongSheng TSDZ2 is a versatile mid-drive kit known for its smooth, natural pedalling feel. Ideal for riders tackling hills or mixed terrain, it’s equipped with a torque sensor and balanced motor placement. A great mid-range option if you want a more powerful electric motor for bicycle performance without going full throttle.

3. For Budget-Conscious Beginners: Voilamart 48V Rear Kit

The Voilamart 48V rear wheel kit is one of the most accessible entry points into the e-bike world. With a powerful rear hub motor and simple plug-and-play wiring, it offers good value for money, especially for those exploring a cheap ebike conversion kit that’s easy to install without compromising too much on performance.

4. For Maximum Frame Compatibility: Skarper DiskDrive

Skraper DiskDrive

Skarper’s DiskDrive is a sleek, clamp-on system that integrates directly with your bike’s disc brake. It’s ideal for those wanting minimal changes to their existing bike while upgrading to an electric setup. If you’re looking to convert bike to ebike without replacing the wheels or drivetrains, this all-in-one system stands out.

5. For Off-Road Enthusiasts: Bafang Mid-Motor Kit

The Bafang Mid-Motor Kit is a powerful and rugged option built for off-road trails and steep climbs. With torque-packed mid-drive motors ranging from 750W to 1000W — and up to 5000W for extreme riders — it’s designed for those who demand serious performance. It’s a top pick for anyone exploring a high-powered electric bike kit, including options like a 5000W setup.

6. For Straightforward City Setups: Bafang Front Hub Kit

Ideal for flat city roads and daily use, the Bafang Front Hub Kit is one of the most straightforward conversion options available. It replaces the front wheel and connects to a handlebar-mounted controller, making it a suitable choice for those seeking an electric bicycle conversion kit that prioritises simplicity and practicality.

Step-by-Step: Converting Your Bike at Home

Converting your bike with an electric bike kit may sound technical, but many kits today are designed with home installation in mind. If you're reasonably confident with basic bike maintenance — or just willing to follow instructions carefully — it’s possible to complete the process in a few hours. Here's a general breakdown of how most front or rear hub kits are installed.

Step 1: Prep the Wheel and Tyre

Start by removing your bike’s existing wheel — front or rear, depending on your kit. If you're using a kit with a pre-built motor wheel, transfer your existing tyre and inner tube to the new motor wheel. Make sure tyre pressure is correct and the wheel is properly aligned in the forks or dropouts.

Step 2: Install the Handlebar Controls

Most ebike conversion kit systems come with a display panel, throttle (optional), and a control button pad. Attach these to your handlebars and secure any loose cables with the provided clips or zip ties. Some kits also include brake levers that cut power when applied, which is helpful for safety and compliance.

Step 3: Fit the Sensor and Magnet Disc

Pedal assist sensors (PAS) are essential in many road-legal setups. These usually involve fitting a magnetic disc near the crank and securing a small sensor to the frame. The sensor detects when you're pedalling and tells the motor to kick in. Placement and alignment are key — follow your kit’s instructions closely.

Step 4: Connect Battery and Wiring

Once everything is in place, connect the motor to the controller and battery using the kit’s wiring harness. Take care to follow the manufacturer’s colour-coded guides. If your electric bike conversion kit with battery includes a frame-mounted or rear rack battery, make sure it’s securely fastened. Once powered, test the throttle or pedal assist — and you're ready to ride.

This process is perfect for those interested in a do it yourself ebike setup that doesn’t require special tools or a mechanic’s help.

What You Need to Know Before You Convert

Choosing an electric bike kit isn't just about installation — it’s also important to understand how kits differ in performance, cost, and legality. Below, we answer some of the most common questions riders ask before making the switch.

Is an Electric Bike Kit Worth the Investment?

In most cases, yes — especially if you already own a good-quality bike. A conversion can cost significantly less than a new e-bike, while still offering many of the same benefits: assisted pedalling, speed, and convenience. You also have more flexibility when it comes to components and setup. For many, a electric bike kit is a practical way to get more use out of their existing bike without overspending.

DIY vs Store-Bought: Which Is More Cost-Effective?

A do it yourself ebike setup using a kit is almost always cheaper than buying a complete electric bicycle off the shelf. However, you’ll need to account for tools, time, and the learning curve. If you’re comfortable working on bikes and want a more custom outcome, kits are ideal. If you prefer a plug-and-play solution with warranty support built in, a complete e-bike might suit you better.

Understanding Speed: How Fast Can Kits Go?

Power and speed vary by kit:

• A 1000W kit like the Voilamart can reach speeds of up to 45km/h when unrestricted.
• A 3000W or 5000W electric bike kit may go even faster — exceeding 50km/h — but such setups are typically suited for off-road use or private land only.
• In Australia, legal on-road use generally limits e-bike motors to 500W and speeds to 25km/h without throttle input.

Always check local regulations to ensure your setup is compliant.

Final Thoughts: Finding the Right Electric Bike Kit for You

Choosing the right electric bike kit comes down to understanding how you ride, where you ride, and what you expect from your conversion. For everyday commuters, lightweight kits like the Swytch Bike Air offer portability and simplicity. Off-road explorers might favour the raw power of a Bafang mid-motor, while those on a budget will find great value in options like the Voilamart rear hub kit.

The beauty of converting your own bike is flexibility — you’re not locked into one manufacturer’s frame or battery configuration. Whether you’re looking for something to handle hills, stretch your commute, or make cycling more accessible, there’s a solution to suit every need.

Before you buy, consider installation complexity, speed requirements, and legal restrictions in your area. Once you’ve got the right kit, you’ll unlock a more powerful, sustainable, and enjoyable ride.

Ready to Get Started? Explore Sunmono’s Electric Mobility Range

At Sunmono, we believe great mobility should be accessible to everyone. Our collection of e-bikes and conversion-friendly designs are built for Australian roads and riders — whether you need daily commuting solutions or something tougher for cargo or trail use. 

Browse our range today and take the next step towards smarter, greener travel.