a woman riding on an ebike

What is an E-Bike and How Do They Work?

Written by: Ridewave Team

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Time to read 12 min

Introduction to E-Bikes in Australia

What is an E-Bike?

An electric bike (e-bike) is much like a regular bicycle but features an integrated electric motor, battery, and controller to assist with pedalling (Bicycle Network). The motor doesn't replace your effort — it simply boosts it, making it easier to tackle hills, headwinds, and longer rides. Power comes from a rechargeable battery, while a controller regulates how much assistance you receive as you ride.


E-bikes offer a practical, eco-friendly, and health-conscious alternative to cars or public transport. Whether you're commuting to work or riding for leisure, an e-bike helps you travel further with less effort, all while enjoying the benefits of cycling and reducing your environmental impact.

Why Are E-Bikes Booming in Australia?

Australia is seeing an e-bike boom, with sales skyrocketing by over 200% since 2019 ( ABC News ). Factors like rising fuel costs, traffic congestion, and a strong environmental focus have pushed more Aussies towards e-bikes.


Cities like Melbourne, Sydney, and Brisbane have heavily invested in bike-friendly infrastructure, making it safer and more appealing to ditch the car. Government rebates in some regions also help lower the upfront cost, making e-bikes more accessible than ever before.


Key Components of an E-Bike

The Electric Motor Explained

The electric motor is the heart of an e-bike. In Australia, the legal motor limit for unregistered e-bikes is 250 watts for pedal-assist models ( Australian Government).

Hub-Drive vs Mid-Drive Motors

  • Hub-Drive Motors: These motors are positioned in the centre of either the front or rear wheel. They provide a smooth, steady ride and are ideal for casual riding on flatter terrain.

  • Mid-Drive Motors: These motors are mounted near the pedal crank, delivering better balance, improved handling, and stronger climbing power — making them perfect for tackling hills and varied terrain.


Choosing between the two depends on your riding terrain, preferred ride style, and budget. Each offers distinct advantages depending on the type of riding experience you're after.

Understanding E-Bike Batteries

The battery powers the motor and is arguably the most critical component of any e-bike. In Australia, most e-bikes use lithium-ion batteries, similar to those in mobile phones but significantly larger and more robust.

Battery Range and Charging Times

Typical battery ranges vary from 40 km to 120 km, depending on factors like assist level, rider weight, and terrain. Charging from empty generally takes 4 to 8 hours using a standard wall socket.


To extend your battery's life:

  • Avoid full discharges

  • Store in a cool, dry place

  • Avoid exposure to direct Australian summer heat

E-Bike Controllers and Displays

On an e-bike, the controller and the display are two separate components with different roles. The display, mounted on the handlebars, acts as your dashboard. Australian e-bikes typically feature LED or LCD screens that show information such as:


  • Speed

  • Distance travelled

  • Battery status

  • Assist level


Meanwhile, the controller — the "brain" of the e-bike — is usually hidden within the frame or discreetly mounted to a less noticeable part of the bike. It manages how the motor, battery, and sensors work together, ensuring a smooth and responsive ride.


Some premium models even come with features like Bluetooth connectivity, GPS tracking, and integrated lighting systems — all designed to make your ride smarter and more enjoyable.

How E-Bikes Work in Practice

How Pedal Assist Functions

Pedal assist systems activate the motor as you pedal. The harder you pedal, the more help you get. Australian e-bikes use torque sensors or cadence sensors to regulate this.


Once you hit 25 km/h, the motor assistance legally stops, letting you pedal under your own power.

Throttle Use on Public Roads

Throttle systems allow e-bike riders to move without pedalling — simply twist or press the throttle, and the motor propels the bike forward. However, on public roads in Australia, throttle assistance must be limited to speeds of up to 6 km/h, and is intended only to help start the bike from a stationary position. Once moving, riders must pedal for the motor to continue providing assistance. This ensures the e-bike remains legally classified as a bicycle without requiring registration or licensing.


For private property use or off-road adventures, some e-bikes may have the option to unlock full throttle capability beyond 6 km/h. However, if used on public roads in this unlocked mode, the e-bike would no longer meet bicycle regulations and may be classified as a motor vehicle. Always check and comply with local laws before riding.


Benefits of Using an E-Bike in Australia

Eco-Friendly Travel

One of the biggest advantages of switching to an e-bike is the reduction in carbon footprint. E-bikes produce less than 10% of the carbon emissions compared to traditional petrol vehicles.


By using an e-bike for your daily commute, you contribute to cleaner air, reduced traffic congestion, and a greener planet — particularly important as Australia moves toward ambitious Net Zero 2050 goals.

Boosting Health and Fitness

Contrary to popular belief, riding an e-bike still counts as exercise! Research from the University of Sydney shows that e-bike riders get as much physical activity as traditional cyclists, mainly because they ride longer and more frequently (ABC News).


Whether it’s a casual cruise along the Brisbane River or tackling Melbourne’s Yarra Trail, using an e-bike can:

  • Improve cardiovascular health

  • Strengthen muscles

  • Boost mental well-being

Cost Savings Compared to Cars

Owning and operating a car in Australia is expensive. From rego, insurance, fuel, to maintenance, the costs add up quickly.


Switching to an e-bike could save you thousands of dollars per year (Bicycle Network):

  • Charging costs less than $0.30 per full battery.

  • Maintenance costs are minimal compared to cars.

  • Parking hassles? Gone!


For city dwellers, an e-bike often covers all short to medium distance travel needs easily.

How to Choose the Right E-Bike in Australia

Key Factors to Consider (Motor Power, Battery, Range)

Choosing the right e-bike can feel a bit overwhelming with all the options available across Australia. But don't worry—if you break it down into a few key factors, the decision becomes much easier.


  • In Australia, to ride legally on public roads without needing registration, an e-bike must have a motor with a maximum continuous output of 250 watts (up to 500 watts is permitted in New South Wales). For riders who regularly encounter steep hills or challenging terrains, mid-drive motors are an excellent choice, delivering strong climbing power and a more natural riding feel. For those riding mostly on flatter roads and urban environments, hub-drive motors provide a smooth, efficient, and cost-effective option.

  • Battery Range: Think about how far you’ll typically ride. A commute of 10-15 km each way will need a battery offering around 60-80 km range to avoid daily charging. If you plan long weekend rides, look for a larger capacity battery.

  • Frame Style: Step-through frames are great for casual riders, while sportier frames offer better performance for longer distances or rugged terrain.

  • Weight: Some e-bikes can weigh over 25 kg, so if you need to carry your bike upstairs or onto public transport, opt for a lighter model.

  • Budget: In Australia, decent e-bikes start around $2,000 and can go beyond $10,000 for premium models. Always invest according to your needs and frequency of use.


Ultimately, test rides are invaluable. Many Australian retailers offer them—so don’t be shy to try before you buy! Here at Ridewave, we have test-ride options available in Melbourne, Sydney, and in the Gold Coast. If you're interested in seeing our e-bikes in person, you can make a booking here: Test Ride Booking

Best E-Bike Brands Available in Australia

When it comes to quality and reliability, some brands stand out in the Australian market:


  • Merida: Well-known for producing robust, high-quality e-bikes perfect for commuting and recreational rides.

  • Giant: Offers a wide range of pedal-assist models suitable for different terrains and budgets.

  • Specialized: High-end e-bikes that excel in performance, particularly for adventure and mountain biking.

  • Reid Cycles: Australian-owned brand offering affordable and stylish e-bikes.

  • Trek: Global reputation for durable, high-performance electric bikes.


As a new and proudly local Australian brand, Ridewave Bikes is excited to join this lineup — offering a premium range of e-bikes designed specifically for Aussie conditions. Our models are built to handle everything from rugged trails to urban streets, delivering a smooth, powerful, and reliable ride wherever your journey takes you.


Maintenance Tips for Australian E-Bike Owners

Caring for Your Battery

Your e-bike's battery is its lifeline, and proper care can significantly extend its life. In Australia’s hot summers, special attention is necessary:


  • Avoid extreme heat: Never leave your battery sitting in direct sunlight or in a parked car for long periods.

  • Regular charging: It’s better to keep your battery topped up rather than draining it completely before recharging.

  • Store indoors: If you’re not riding for a while, store the battery indoors in a cool, dry place.


Most e-bike batteries will begin to show noticeable signs of capacity loss after 3 to 5 years, even with proper care. However, with good maintenance, they can still provide strong performance and remain a worthwhile investment over the long term.

Keeping the Motor in Top Condition

Luckily, e-bike motors are mostly maintenance-free. However, a few practices help ensure their longevity:


  • Keep it clean: After dusty rides around Australia’s outback trails or salty coastal rides, give your bike a gentle wash—avoiding direct water on the motor itself.

  • Inspect connections: Occasionally check the cables and connectors for any signs of wear or corrosion.

  • Listen carefully: Strange noises from the motor could indicate issues; early diagnosis can prevent costly repairs.


Routine inspections by a certified technician can catch minor issues before they become major ones.

E-Bike Servicing and Maintenance in Australia

Just like a regular bicycle, an e-bike also requires periodic servicing to keep it running smoothly. For general bicycle components — such as tyres, brakes, chains, and gears — most Australian bike shops can service e-bikes in much the same way they would a standard pushbike.


As a general guideline, most experts recommend a full service every 1,500–2,000 kilometres , or at least once a year, depending on your usage and riding conditions.


However, when it comes to the electrical parts like the motor , battery , or controller , it’s a different story. Because different e-bike brands use different electrical systems and components, it’s strongly recommended that you contact your e-bike brand or authorised supplier for any motor or battery-related issues, diagnostics, or repairs. Handling these specialised parts often requires brand-specific knowledge, software, and tools.


E-Bike Laws and Regulations in Australia

What Australian Law Says About E-Bikes

Australian e-bike laws are designed to ensure the safety of riders and the public. To be classified as a compliant e-bike and legally used on public roads and bike paths without registration or licensing, an e-bike must meet the following requirements:


  • Motor Limit: Maximum continuous rated power of 250 watts for pedal-assist operation (500 watts in NSW).

  • Speed Cap: Motor assistance must progressively cut off as the bike approaches 25 km/h and stop completely once this speed is reached.

  • Throttle Use: If a throttle is fitted, it can only assist up to 6 km/h to help start the bike; beyond that, pedalling must provide the propulsion.

  • Registration: Not necessary for compliant e-bikes. (as outlined by Australian Government Regulations ).


If an e-bike exceeds these limits — for example, models equipped with motors rated over 500 watts or even 1000 watts — it may no longer be considered a standard bicycle. These powerful e-bikes are typically intended for private property use or off-road adventures. Riding such high-powered e-bikes on public roads would mean they are classified as motor vehicles (similar to mopeds or motorcycles), requiring licensing, registration, insurance, and appropriate protective gear like motorcycle helmets.


As regulations may vary slightly between states and territories, it’s essential to always check your local laws before riding.

Helmet and Safety Gear Requirements

In Australia, wearing a helmet is mandatory for all cyclists, including e-bike riders. The helmet must comply with the AS/NZS 2063 standard, or be certified to an approved equivalent, such as certain European or United States safety standards ( Bicycle Network).


Other recommended safety gear:

  • Reflective vests for night riding

  • Front and rear lights (legally required after dark)

  • A bell or horn


Safety first, mates!

Riding on Roads and Bike Paths: Rules You Must Know

Most Australian states allow e-bikes on:

  • Roads

  • Bike lanes

  • Shared pedestrian paths


In Queensland , you can legally ride e-bikes on footpaths, but you must give way to pedestrians. In NSW and Victoria , riding on footpaths is generally restricted to children under 12 and their accompanying adults (Bicycle Network).


Always check your state’s specific rules to stay compliant.


Conclusion

E-bikes are reshaping how Australians travel—providing an affordable, eco-friendly, and fun alternative to traditional commuting. Whether you're navigating Sydney’s traffic, exploring Melbourne’s trails, or cruising along Brisbane’s riverside paths, there's an e-bike suited perfectly for your journey.


Understanding the components, local laws, and key maintenance practices can ensure you enjoy a long, smooth, and safe ride. So, if you're considering making the switch, now's the perfect time to join the e-bike revolution!

FAQs

Are e-bikes legal in all Australian states?

Yes, e-bikes are legal across all Australian states and territories, provided they meet the required standards. To ride on public roads without registration, e-bikes must have a maximum continuous motor output of 250 watts (500 watts in NSW) and motor assistance must cut off at 25 km/h . Some local rules, such as throttle use or riding on footpaths, may vary slightly, so it’s best to check with your state’s transport authority.

How fast can an e-bike go legally in Australia?

In Australia, e-bikes can legally provide motor assistance up to 25 km/h . You can still pedal faster than 25 km/h, but the motor must cut out once you reach that speed. This limit applies to all public roads and shared paths across the country.

Do I need a license or registration for my e-bike?

No, you don’t need a license or registration to ride a compliant e-bike in Australia. As long as your e-bike has a maximum continuous motor output of 250 watts (500w in NSW) and motor assistance cuts off at 25 km/h , it is classified as a bicycle under Australian law.

However, if your e-bike exceeds these limits, it can only be used for private property or off-road adventures . If ridden on public roads in this state, it may be classified as a motor vehicle , requiring licensing, registration, and insurance.

Can I ride my e-bike on footpaths in Australia?

It depends on which state or territory you are in. In Queensland , you can legally ride your e-bike on footpaths, but you must give way to pedestrians. In New South Wales and Victoria , riding on footpaths is generally only allowed for children under 16 and adults supervising them . In other states and territories, rules may vary slightly, so it's important to check local regulations before riding on footpaths.

How do Australian weather conditions affect e-bike performance?

Australian weather can impact e-bike performance in several ways. High temperatures can reduce battery efficiency and lifespan if the bike is left in direct sunlight for too long. Heavy rain can affect electrical components if the e-bike isn’t properly weather-sealed, although most quality e-bikes are designed to handle light to moderate rain. Dusty or sandy conditions , common in regional and coastal areas, may cause extra wear on chains, gears, and brakes, requiring more frequent maintenance. To keep your e-bike performing at its best, it’s important to store it in a cool, dry place and perform regular cleaning and servicing.

References and Citations