Electric Bike Maintenance 101: How to Keep Your Bike in Top Condition

Enjoy the freedom and joy of cycling in the city.

Do you love riding your e-bike but find yourself regularly experiencing slow speeds and reduced battery life? If so, you should review your daily maintenance schedule in more detail. Just like any other vehicle, e-bikes require regular maintenance to run smoothly and efficiently.

Neglecting maintenance tasks can lead to frustrating performance issues and even costly repairs. In this article, we'll explore why e-bike maintenance is essential for a smooth and efficient ride and provide some tips for keeping your e-bike in tip-top shape.

Essential Tools for Electric Bike Maintenance

Maintaining your e-bike is essential to ensure its peak performance and longevity. Here are some basic tools needed for e-bike maintenance:

Hex Wrench or Allen Key

For tightening bolts and screws on your e-bike A set of hex keys often comes in different sizes, so make sure you find ones that match your bike components.


Pliers are useful for gripping and manipulating wires, cables, and other small parts on electric bikes.


You will need a screwdriver to secure or remove screws on the e-bike. A Phillips screwdriver and a flat-blade screwdriver are common sizes.

Tire crowbars

These tools help you remove and install tires on your e-bike wheels.


A pump is required to inflate the electric bike's tires to the recommended pressure.

Chain Tool

This tool helps you remove and replace broken chains and shorten or lengthen chains if necessary.

Torque Wrench

A torque wrench is used to precisely tighten bolts and screws to the manufacturer's recommended specifications.


This tool measures voltage, current, and resistance, which is very useful when troubleshooting electrical problems with your e-bike.

You can find these at your local bike shop or online retailers like Amazon or REI. Be sure to follow the Shengmilo manufacturer's instructions when using these tools, and use them according to the type of assembly or part you are working on. It is also important to maintain your tools properly by keeping them clean and lubricated. By having these essential tools in hand, you can effectively maintain your e-bike and ensure its peak performance and longevity.

Cleaning and Lubrication

Regular cleaning and lubrication of your e-bike are essential to maintaining its peak performance and prolonging its life. Dirt, grime, and debris can wear down components and reduce the efficiency of e-bike motors and batteries. Here are some steps for cleaning and lubricating an electric bike: :

Gather the necessary materials

you'll need a bucket of warm water, mild bike cleaner, a brush, a sponge, a clean rag, a degreaser, lubricant, and protective gear like gloves and goggles.

Cleaning the Frame and Components

Wet the e-bike with water first, then use a sponge or soft brush to apply the bike cleaner. Scrub the frame and components thoroughly, then rinse with water.

Cleaning the drivetrain

Use a degreaser to clean the chain, cassette, and derailleur. Use a degreaser and a brush to remove dirt and grime from these parts. Rinse with water and dry with a clean rag.

Lubricate the chain

After cleaning the drivetrain, apply lubricant to the chain to prevent rust and corrosion. Make sure to wipe off excess lube with a clean rag to avoid attracting dirt and debris.

Check the brakes

a quick brake check before riding an ebike

check the pads for wear and make sure they are properly aligned with the rim or disc. Adjust them if necessary.

Inflate your tires. Make sure your tires are inflated to the recommended pressure to ensure optimum performance and reduce the risk of a flat tire.

Pro Tip:

When cleaning your e-bike, be sure to wear gloves and goggles to protect yourself from chemicals and debris.

Avoid high-pressure water sprays, as they may damage sensitive electrical components of the e-bike.

Use separate brushes or sponges to clean the frame and drivetrain to prevent cross-contamination of dirt and grime.

Consider using a bike stand or workbench to make the cleaning and lubricating process easier.

Use a dry lube in dusty or dry conditions and a wet lube in rainy or wet conditions.

By cleaning and lubricating your e-bike regularly, you can maintain its peak performance and extend its life. It also ensures a safer, smoother ride.

Battery Maintenance

Battery maintenance is an important aspect of ensuring optimal battery performance and longevity. A well-maintained battery will last for years and provide consistent, reliable power to your devices. On the other hand, a neglected battery can quickly lose its capacity, resulting in degraded device performance and requiring frequent replacement.

To keep your battery performing at its best and extending its life, here are some easy-to-follow guidelines:

Clean up your battery

Over time, dirt, dust, and grime can build up on your battery, reducing its efficiency and causing it to overheat. To prevent this from happening, periodically wipe the battery with a dry cloth and make sure the terminals are free from any corrosion.

Charge the battery properly

Overcharging or undercharging the battery can damage it and cause premature failure. Be sure to use the correct battery charger and avoid overcharging.

Store the battery properly

Make sure to keep the battery in a cool, dry location away from harsh lighting and temperatures if you won't be using it for an extended period. Also, be sure to fully charge it before storing it.

Use your battery regularly

Regular use helps keep your battery healthy and prevents it from deteriorating due to inactivity. If you don't use the battery very often, consider charging it at least once a month to keep the battery active.

Avoid extreme temperatures

Batteries are sensitive to temperature changes, so it is important to avoid exposing them to extreme heat or cold. High temperatures can overheat the battery, while low temperatures can reduce its performance.

By following these guidelines, you can ensure your battery performs at its best and lasts longer. Regular battery maintenance not only saves you money but also ensures that your device is always available when you need it.

Brake and Tire Maintenance

Brake and tire maintenance are both important aspects of vehicle safety and performance. Failure to maintain these components properly can result in serious accidents, increased fuel consumption, and costly repairs. To ensure the service life of brakes and tires, regular inspection and maintenance are very important. Here are some steps to maintain your brakes and tires:

Brake Maintenance:

Checking the Brake Fluid Level

The first step in brake maintenance is checking the brake fluid level. Low levels may indicate leaking or worn brake pads.

Check the brake pads

Check the thickness of the brake pads to determine if they need to be replaced. Worn brake pads can result in reduced stopping power and potential damage to other components.

Look for signs of wear

Check the brake system's rotors and other components for any signs of wear or damage.

Test brake performance

Take your car for a test drive to make sure the brakes are working properly.

Tire maintenance:

Check tire pressure

One of the most important aspects of tire maintenance is checking tire pressure regularly. Proper inflation ensures optimum handling and fuel efficiency and prevents premature wear. The most appropriate tire pressure for the Shengmilo electric bike is 60–70 psi.

Check tire tread depth

Use a tread depth gauge or check tire wear indicator strips to determine the amount of tire tread remaining. Tires with low tread depth can become dangerous in wet or slippery conditions.

Look for signs of damage

Check the sidewall and tread for punctures, cracks, and bumps.

Rotate tires

Rotate tires regularly to help ensure even wear on all four tires.

Tips for Recognizing Warning Signs
  • Squealing or grinding noises when braking

  • Vibration or shaking while driving

  • uneven tire wear

  • loss of control or difficulty parking

  • Bumped or visibly damaged tires

In conclusion, keeping your brakes and tires in good condition is critical to your vehicle's safety and performance. Regular inspections and maintenance help prevent accidents and costly repairs. If you spot any warning signs or are unsure about the condition of your brakes or tires, seek the advice of a qualified mechanic.

Troubleshooting Common Electric Bike Issues

Here are some common problems e-bike riders may encounter, along with troubleshooting solutions for each:

The battery is not charging or holding a charge
  1. Check that the charger is plugged in correctly.

  2. Make sure the battery is firmly attached to the bike.

  3. Check the charger or battery for any obvious damage.

  4. If the battery still won't hold a charge, it may need to be replaced.

The motor does not work
  1. Make sure the bike is turned on and the display is working.

  2. Check all connections between the motor, controller, and display.

  3. Check for damaged wires or cables.

  4. If everything looks fine, the motor may need to be replaced.

The brakes not working properly
  1. Check the brake pads to make sure they are not worn.

  2. Check whether the brakes are too loose or too tight.

  3. Check the brake cables for damage or adjustments.

  4. Replace worn brake pads or adjust brake cables as needed.

The display doesn't work
  1. Check that the battery on the bike is fully charged.

  2. Check that all connections between the display, controller, and battery are tight.

  3. If the problem persists, the display may need to be replaced.

Flat or fast-flat tire
  1. Check the tires or rims for any obvious damage.

  2. Check the valve stem for damage or improper seating.

  3. Check that the tires are properly inflated to the recommended pressure.

  4. If there are any punctures, replace the inner tube or patch as necessary.

Throttle not working
  1. Check that the bike is turned on and the display is working.

  2. Check all connections between the throttle, controller, and display.

  3. Check for damaged wires or cables.

  4. If everything looks fine, the throttle may need to be replaced.

By following these troubleshooting steps, e-bike riders can often resolve common issues they may have and get back to enjoying their rides.


In conclusion, taking care of your electric bike is crucial if you want to ensure it operates smoothly and lasts for years. By following the simple tips and tricks we've outlined in this guide, you should be able to keep your bike in top condition without breaking a sweat. Remember to regularly check your battery, tires, brakes, and chain, and to store your bike properly when not in use. With a little bit of effort and attention, you'll be able to enjoy the many benefits of your electric bike for years to come!

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