Written By Doug Smirnoff

OKAI Stride EB40 Common Problems and Troubleshooting

Classics never die, but they could always use an upgrade. Enjoy the timeless style of the city bike, but with a smart tech twist. Introducing the OKAI Stride EB40 smart e-bike. This easy step-thru E-bike is made for commuting, running errands, or just cruising around the neighborhood. Featuring integrated smart technology that allows you to lock, unlock, and customize your e-bike.

OKAI Stride EB40 Overview

The OKAI Stride is designed to take the electric bike experience to a whole new level. It has over-the-top features including a 40-mile range, a top speed of 25 mph, a removable and rechargeable LG battery, and a 500-watt power motor.

Product Details and Features

  • Big power for big trips: 500-watt Bafang motor enables pedal-assisted speeds of up to 32 km/h so you reach your destination quickly.
  • LCD display: Bright LCD display embedded in the handlebar for a flush, seamless look and quick access to info and controls, paired with an NFC Key for added security and convenience of instant start-ups.
  • Swap it like it’s hot: The OKAI Stride uses portable, lightweight, quick-swapping batteries so you can park on the curb and charge wherever you need to at your convenience.

Specifications

Key SpecsValue
Product Weight63.93 pounds
Battery Charge Time6 hours
Battery Amperage9.6 ampere hours
Battery Voltage48 volts
Maximum Operating Range40 miles
Maximum Speed20 miles per hour
App CompatibleYes
Electric Bike ClassificationClass 2
Bicycle TypeAdults bike
ColorWhite

Causes of Common Problems with the OKAI Stride EB40

In the following subsections of the article, we will address possible problems and solutions with the OKAI Stride EB40 electric bike.

Common Problems with the OKAI Stride EB40 and Troubleshooting

1. Battery Not Charging

Description: Some users may experience issues with their OKAI Stride EB40 battery not charging properly or not charging at all.

Cause: This problem could occur due to a faulty charger, a loose connection, or a damaged battery.

Troubleshooting:

  1. Ensure the charger is securely plugged into both the wall outlet and the e-bike’s charging port.
  2. Check for any visible damage or corrosion on the charging port and clean it if necessary.
  3. Try using a different charger that is compatible with the OKAI Stride EB40 to see if the issue is with the charger itself.
  4. If the battery is removable, take it out, inspect for any physical damage, and reinsert it firmly.
  5. If the problem persists, contact OKAI customer support for further assistance.

2. Motor Not Engaging

Description: Some users may encounter a problem where the motor of the OKAI Stride EB40 does not engage or provide assistance while pedaling.

Cause: This issue can be caused by a sensor malfunction, a loose connection, or a motor-related problem.

Troubleshooting:

  1. Check the pedal-assist sensor and make sure it is clean and properly aligned.
  2. Inspect the motor wiring for any loose or disconnected wires and reconnect them securely.
  3. Try resetting the e-bike’s system by turning it off and then back on after a few seconds.
  4. Test the motor in different assist levels to see if the problem is specific to a particular level.
  5. If the motor still does not engage, seek professional assistance from an authorized OKAI service center.

3. LCD Display Malfunction

Description: The LCD display on the OKAI Stride EB40 may experience issues such as not turning on, displaying incorrect information, or being unresponsive.

Cause: LCD display problems can be caused by software glitches, water damage, or physical impact.

Troubleshooting:

  1. Ensure the e-bike’s battery is adequately charged, as a low battery might affect the display’s functionality.
  2. Check for any visible signs of water damage on the display or the handlebar area and dry it thoroughly if needed.
  3. Power cycle the e-bike by turning it off and then on again to see if the display functions normally.
  4. If possible, update the e-bike’s firmware to the latest version, as software issues can sometimes cause display problems.
  5. If the LCD display continues to malfunction, contact OKAI customer support for further assistance or a replacement.

4. Brakes Squeaking or Ineffective

Description: Some users might experience squeaking noises or reduced braking performance with the OKAI Stride EB40’s mechanical Tektro disc brakes.

Cause: The squeaking noise can be due to brake pad contamination, rotor misalignment, or worn-out brake pads.

Troubleshooting:

  1. Inspect the brake pads for any signs of contamination or wear and replace them if necessary.
  2. Check the brake rotor for any visible damage or misalignment and adjust it if needed.
  3. Apply a small amount of lubricant to the brake rotor’s surface and the brake pad contact points to reduce noise.
  4. If the issue persists, try braking gently several times to wear off any glaze that might have formed on the brake pads.
  5. If the brakes are still ineffective or noisy, seek professional assistance from a bike mechanic or service center.

5. Connectivity Problems with App

Description: Some users may face difficulties connecting the OKAI Stride EB40 to the accompanying app for additional features and customization.

Cause: Connectivity problems can arise due to Bluetooth issues, app compatibility, or software conflicts.

Troubleshooting:

  1. Ensure that Bluetooth is enabled on both the e-bike and the smartphone, and try pairing them again.
  2. Check if the OKAI Stride EB40’s app is compatible with your smartphone’s operating system and update the app if necessary.
  3. Restart both the e-bike and the smartphone to clear any temporary glitches that might be affecting the connection.
  4. Verify that the e-bike’s firmware is up-to-date, as software updates can improve app compatibility and connectivity.
  5. If the connectivity issues persist, contact OKAI support or refer to the app’s troubleshooting guide for further assistance.

6. E-Bike Vibrations During Riding

Description: Some users may experience excessive vibrations or shaking while riding the OKAI Stride EB40.

Cause: Vibrations can be caused by misaligned wheels, loose components, or uneven road surfaces.

Troubleshooting:

  1. Check the tightness of all the bolts and nuts on the e-bike, including the handlebar and saddle.
  2. Inspect the wheels for any visible damage and ensure they are properly aligned and securely attached.
  3. Adjust the tire pressure to the recommended level to minimize vibrations on different road surfaces.
  4. If the problem persists, consider getting the e-bike checked by a professional bike mechanic for further evaluation.
  5. Consider using shock-absorbing accessories or tires to reduce the impact of vibrations while riding.

7. E-Bike Overheating

Description: The OKAI Stride EB40 might experience overheating issues, especially during prolonged use or hot weather conditions.

Cause: Overheating can occur due to excessive motor usage, inadequate ventilation, or high ambient temperatures.

Troubleshooting:

  1. Allow the e-bike to cool down in a shaded area before resuming use if it becomes too hot.
  2. Limit the use of higher pedal-assist levels during long rides to reduce the strain on the motor.
  3. Ensure the motor and battery have proper ventilation and are not obstructed by any accessories.
  4. Avoid using the e-bike in extreme heat conditions and try to ride during cooler parts of the day.
  5. If the overheating issue persists, contact OKAI customer support for guidance and potential solutions.

8. Uneven Power Delivery

Description: Some users may notice uneven power delivery or inconsistent acceleration while using the pedal-assist feature.

Cause: This issue can be caused by a misaligned sensor, throttle-related problems, or an electrical issue.

Troubleshooting:

  1. Check the alignment and position of the pedal-assist sensor, ensuring it is correctly attached and functioning.
  2. Inspect the throttle and ensure it is responsive and not sticking or causing any power irregularities.
  3. Verify that the e-bike’s battery and electrical connections are secure and free from any damage.
  4. Try adjusting the sensitivity settings of the pedal-assist feature in the e-bike’s display settings.
  5. If the problem persists, consult the OKAI Stride EB40 user manual or seek professional assistance for troubleshooting.

9. Sudden Loss of Power

Description: Some users may encounter sudden power loss, where the e-bike stops providing pedal-assist or throttle assistance unexpectedly.

Cause: This issue can arise due to a discharged battery, faulty electrical connections, or a motor-related problem.

Troubleshooting:

  1. Check the battery charge level and recharge it if necessary before continuing to use the e-bike.
  2. Inspect all electrical connections, such as the battery, motor, and display, and ensure they are secure.
  3. Test the e-bike with different power modes to see if the issue is specific to a particular mode.
  4. Examine the motor for any visible damage or abnormal sounds, indicating a potential motor malfunction.
  5. If the sudden power loss persists, contact OKAI support for further assistance and potential warranty coverage.

10. E-Bike Display Freezing

Description: The LCD display on the OKAI Stride EB40 might freeze or become unresponsive during use.

Cause: Display freezing can be caused by software glitches, low battery, or overheating of the display unit.

Troubleshooting:

  1. Power off the e-bike and wait for a few seconds before turning it back on to reset the display.
  2. Charge the e-bike’s battery to a sufficient level, as a low battery might affect the display’s performance.
  3. Keep the display unit away from direct sunlight or excessive heat to prevent overheating.
  4. If possible, update the e-bike’s firmware to the latest version to address any software issues.
  5. If the display continues to freeze, contact OKAI customer support for further troubleshooting assistance.

11. E-Bike Not Turning On

Description: Some users may face difficulties turning on the OKAI Stride EB40, and the e-bike remains unresponsive.

Cause: This issue can be due to a drained battery, faulty power button, or electrical malfunction.

Troubleshooting:

  1. Ensure that the e-bike’s battery is charged and properly connected to the e-bike.
  2. Try pressing and holding the power button for a few seconds to see if the e-bike powers on.
  3. Check the power button for any visible damage or obstruction, and clean it if necessary.
  4. If the e-bike still does not turn on, try using a different battery if available to rule out battery-related issues.
  5. If the problem persists, contact OKAI customer support for further assistance or potential repairs.

12. Unresponsive Brakes

Description: Some users may find that the brakes on the OKAI Stride EB40 are unresponsive or require excessive force to engage.

Cause: Unresponsive brakes can be caused by brake cable issues, brake pad wear, or misadjusted brake calipers.

Troubleshooting:

  1. Inspect the brake cables for any kinks, fraying, or signs of damage and replace them if necessary.
  2. Check the brake pads for wear and replace them if they are worn beyond the recommended thickness.
  3. Adjust the brake calipers to ensure they are aligned properly and not too tight or too loose.
  4. Clean the brake rotors with isopropyl alcohol to remove any oil or debris that may affect braking performance.
  5. If the brakes remain unresponsive, seek professional assistance from a bike mechanic for further diagnosis and repair.

13. Noisy Chain or Drivetrain

Description: Users might experience a noisy or rattling sound coming from the chain or drivetrain of the OKAI Stride EB40.

Cause: Noisy drivetrain issues can be caused by a loose chain, lack of lubrication, or misaligned components.

Troubleshooting:

  1. Inspect the chain tension and adjust it if it is too loose, ensuring it has the appropriate tension.
  2. Apply chain lubricant to the chain and drivetrain components to reduce friction and noise.
  3. Check for any bent or damaged chainrings or cogs and replace them if necessary.
  4. Examine the chain and drivetrain for any debris or buildup, and clean them thoroughly if needed.
  5. If the noise persists, consult a bike mechanic for further inspection and potential drivetrain adjustments.

14. Unstable Kickstand

Description: Some users may encounter an issue with the kickstand of the OKAI Stride EB40 being unstable or difficult to use.

Cause: The kickstand may not be properly tightened, or it might have incurred damage or bending.

Troubleshooting:

  1. Check the kickstand’s attachment to the e-bike and tighten the bolts if they are loose.
  2. Inspect the kickstand for any visible damage or bending, and replace it if necessary.
  3. Ensure that the kickstand is the appropriate length for the e-bike’s frame and provides sufficient stability.
  4. If the issue persists, consider using an aftermarket kickstand with better stability and compatibility.
  5. Consult OKAI customer support for assistance in choosing the right kickstand for the OKAI Stride EB40 model.

15. Inaccurate Speed or Mileage Readings

Description: Some users may notice discrepancies between the displayed speed or mileage and the actual values while riding the OKAI Stride EB40.

Cause: This issue can be caused by GPS inaccuracies, sensor malfunctions, or software glitches.

Troubleshooting:

  1. Check the e-bike’s GPS signal strength and ensure that it has a clear line of sight to the sky.
  2. Calibrate the speed and mileage sensors if the e-bike allows manual calibration.
  3. Update the e-bike’s firmware to the latest version to address any software-related issues.
  4. Compare the displayed speed and mileage with a GPS-enabled smartphone or cycling computer for accuracy.
  5. If the readings are consistently inaccurate, contact OKAI support for further troubleshooting or potential repairs.

16. Loose Handlebar Grips

Description: Some users may encounter issues with the handlebar grips on the OKAI Stride EB40 becoming loose or slipping during rides.

Cause: Loose handlebar grips can result from improper installation, wear over time, or low-quality grips.

Troubleshooting:

  1. Tighten the handlebar grip clamps or bolts to secure the grips in place.
  2. If the grips are worn or damaged, consider replacing them with new, high-quality grips.
  3. Apply grip glue or adhesive to the handlebar before reinstalling the grips for better stability.
  4. Consider using lock-on grips that have built-in mechanisms to prevent slipping.
  5. If the issue persists, consult a bike mechanic for further advice on improving grip stability.

17. E-Bike Making Unusual Noises

Description: Users may notice unusual noises, such as clicking, creaking, or grinding, coming from the OKAI Stride EB40 during rides.

Cause: Unusual noises can be caused by loose components, worn bearings, or damaged parts.

Troubleshooting:

  1. Inspect all components, such as the pedals, bottom bracket, and headset, for any looseness or play.
  2. Apply lubricant to moving parts, such as the chain and derailleurs, to reduce friction and noise.
  3. Check the wheel bearings for wear or damage, and replace them if needed.
  4. Examine the brake rotors for any warping or contamination that might cause noise during braking.
  5. If the unusual noises persist, have the e-bike examined by a bike mechanic for further diagnosis and repairs.

18. Uncomfortable Saddle

Description: Some users may find the saddle of the OKAI Stride EB40 uncomfortable, causing discomfort during rides.

Cause: Saddle discomfort can result from improper fit, lack of padding, or personal preference.

Troubleshooting:

  1. Adjust the saddle position and angle to find a more comfortable riding position.
  2. Add a gel or memory foam saddle cover to provide extra cushioning and improve comfort.
  3. Consider replacing the saddle with a model that suits your body shape and riding style.
  4. Use padded cycling shorts or bibs to reduce pressure on sensitive areas during longer rides.
  5. If saddle discomfort persists, visit a bike shop to test different saddles and find the best fit for you.

19. Tire Punctures and Flats

Description: Users may experience tire punctures or flats while riding the OKAI Stride EB40, causing inconvenience and disruptions.

Cause: Punctures can occur due to sharp objects on the road, inadequate tire pressure, or worn-out tires.

Troubleshooting:

  1. Carry a puncture repair kit or spare inner tube with you for quick fixes while on the road.
  2. Check the tire pressure regularly and maintain it within the recommended range to prevent flats.
  3. Inspect the tire treads for signs of wear and replace the tires if they are excessively worn.
  4. Avoid riding over debris or sharp objects on the road to minimize the risk of punctures.
  5. If you frequently encounter punctures, consider using puncture-resistant or tubeless tires for added protection.

20. Difficult Gear Shifting

Description: Some users may encounter challenges when shifting gears on the OKAI Stride EB40, resulting in delayed or rough gear changes.

Cause: Difficult gear shifting can be caused by misadjusted derailleurs, cable tension issues, or worn drivetrain components.

Troubleshooting:

  1. Check the derailleur alignment and adjust it according to the manufacturer’s guidelines.
  2. Inspect the gear cables for any fraying or rusting and replace them if necessary.
  3. Try lubricating the gear cables and drivetrain to improve the shifting performance.
  4. Ensure that the gear shifter is clean and free from any obstruction that might hinder smooth shifting.
  5. If the gear shifting problems persist, seek professional help from a bike mechanic for precise adjustments.

21. E-Bike wobbling at High Speeds

Description: Some users may experience wobbling or instability when riding the OKAI Stride EB40 at higher speeds.

Cause: Wobbling can be caused by misaligned wheels, improper weight distribution, or loose components.

Troubleshooting:

  1. Check the alignment of the wheels and make sure they are properly seated in the dropouts.
  2. Adjust the handlebar height and angle for a more stable riding position.
  3. Distribute your weight evenly on the e-bike and avoid leaning too heavily on one side.
  4. Ensure all bolts and fasteners on the e-bike are tightened to the recommended torque.
  5. If the wobbling persists, have the e-bike inspected by a professional bike mechanic for further evaluation.

22. Erratic Power Assist Levels

Description: Some users may notice erratic changes in power assist levels on the OKAI Stride EB40, with the e-bike providing inconsistent levels of assistance.

Cause: This issue can be caused by sensor malfunctions, electrical problems, or software glitches.

Troubleshooting:

  1. Check the connection of the pedal-assist sensor and make sure it is securely attached.
  2. Inspect the electrical connections between the motor and battery for any loose or damaged wires.
  3. Reset the e-bike’s system to its default settings and recalibrate the power assist levels.
  4. Update the e-bike’s firmware to the latest version to address any software-related issues.
  5. If the erratic power assist levels continue, contact OKAI support for further troubleshooting or assistance.

23. Unresponsive NFC Key

Description: Users may encounter difficulties with the NFC Key not functioning properly to unlock or start the OKAI Stride EB40.

Cause: Unresponsiveness of the NFC Key can be due to a depleted battery, a damaged key, or software issues.

Troubleshooting:

  1. Check the NFC Key’s battery level and replace it if necessary.
  2. Ensure the NFC Key is placed in close proximity to the designated sensor for proper recognition.
  3. Inspect the NFC Key for any physical damage or water intrusion, and replace it if needed.
  4. Try restarting the e-bike and re-pairing the NFC Key to see if it resolves the issue.
  5. If the NFC Key remains unresponsive, contact OKAI customer support for further assistance or a replacement.

24. E-Bike Display Flickering

Description: Some users may notice the LCD display on the OKAI Stride EB40 flickering or displaying intermittent screen issues.

Cause: Flickering displays can result from loose connections, a damaged display unit, or electrical problems.

Troubleshooting:

  1. Check the connections between the display unit and the e-bike’s control module for any looseness.
  2. Inspect the display unit for visible damage, and ensure it is securely mounted on the handlebar.
  3. Verify that the display unit’s firmware is up-to-date to address any software-related flickering issues.
  4. Check the battery charge level, as low battery power can sometimes cause display flickering.
  5. If the display continues to flicker, contact OKAI support for further troubleshooting or potential repairs.

25. E-Bike Drifting to One Side

Description: Some users may experience the OKAI Stride EB40 drifting to one side during rides, requiring constant steering corrections.

Cause: Drifting can be caused by wheel misalignment, uneven tire pressure, or uneven weight distribution.

Troubleshooting:

  1. Check the alignment of the wheels and ensure they are centered in the frame’s dropouts.
  2. Adjust the tire pressure to the recommended level on both wheels for balanced performance.
  3. Inspect the e-bike’s frame for any damage or misalignment that could cause drifting.
  4. Ensure your weight is evenly distributed on the e-bike and avoid leaning excessively to one side.
  5. If the drifting issue persists, consult a bike mechanic for a thorough inspection and proper adjustments.

OKAI Stride EB40 Electric Bike User Reviews

Positive Reviews from OKAI Stride EB40 Electric Bike Users

Based on online user reviews, some users were satisfied with the following parameters associated with their positive experience with the OKAI Stride EB40 Electric Bike:

  1. Great balance of road tires and fat tires, allowing for both throttle and pedal-assisted riding.
  2. Long battery life, providing more than enough power for most rides.
  3. Chic and stylish design, suitable for all types of riders.
  4. Easy assembly process with helpful instructions and YouTube videos.
  5. App integration for accessing sport modes and adjusting power settings.
  6. Excellent torque and uphill power, making it efficient for busy roads and city riding.
  7. Detachable battery for convenient charging and theft protection.
  8. Comfortable ride with good grips and a well-padded seat.
  9. Adjustable pedaling options with three settings for power assistance.

Overall, the majority of users were pleased with their purchase of the OKAI Stride EB40 Electric Bike and found it to be a versatile and enjoyable e-bike for commuting and exercising.

Negative User Reviews of the OKAI Stride EB40 Electric Bike

However, some users expressed dissatisfaction with certain aspects of the OKAI Stride EB40 Electric Bike:

  1. Issues with the bike’s Bluetooth connection to the phone app, leading to difficulties in turning on the electric system.
  2. The bike not coming with the expected accessories, such as a rack and basket, as shown in the product images.
  3. Limited reliability of the app, leading to issues with coordinating electric aspects and gear changing.
  4. Difficulties with the NFC Key not functioning properly for unlocking or starting the e-bike.
  5. Some users experienced wobbling or instability at higher speeds, affecting the overall riding experience.

While the majority of users were satisfied with the OKAI Stride EB40 Electric Bike, it’s essential to note that there were some negative experiences reported regarding specific functionalities and components of the e-bike.

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OKAI Stride EB40 Electric Bike Manual

The operating instructions and user manual for the OKAI Stride EB40 Electric Bike can be found on the manufacturer’s website. Please visit the official OKAI website to access the detailed user manual and guidelines for the proper operation, maintenance, and troubleshooting of the OKAI Stride EB40 Electric Bike.

OKAI Stride EB40 Frequently Asked Questions

Q: How do I charge the battery of the OKAI Stride EB40 Electric Bike?

A: To charge the battery of the OKAI Stride EB40, locate the charging port on the e-bike’s frame. Plug the charger into the port and then connect it to a standard power outlet. The battery will begin to charge, and an indicator light may show the charging status. Ensure the battery is securely connected during charging, and follow the recommended charging time and guidelines in the user manual.

Q: How far can the OKAI Stride EB40 Electric Bike travel on a single charge?

A: The OKAI Stride EB40 is equipped with a 48V 9.6Ah Lithium-Ion battery, providing a maximum operating range of up to 40 miles on a single charge. However, the actual range may vary depending on factors such as rider weight, terrain, riding mode, and assist level. It is essential to conserve battery power when needed and refer to the user manual for tips on optimizing the e-bike’s range.

Q: Is the OKAI Stride EB40 suitable for off-road or rugged terrains?

A: The OKAI Stride EB40 is designed for commuting and urban riding, and while it can handle light off-road conditions and gravel paths, it is not intended for extensive off-road or rugged terrain use. Using the e-bike on rough terrains may affect its performance and lead to increased wear and tear. For optimal performance and longevity, it is recommended to primarily use the e-bike on paved roads and smoother surfaces.

Q: Can I use the OKAI Stride EB40 without electric assistance?

A: Yes, the OKAI Stride EB40 allows you to ride it as a traditional bicycle without electric assistance. You can turn off the electric power and pedal the e-bike manually, just like a regular bike. This feature is particularly useful when the battery is depleted, or if you prefer to exercise and ride without relying on electric assistance.

Q: How do I adjust the power assist levels on the OKAI Stride EB40?

A: The OKAI Stride EB40 offers multiple power assist levels to customize your riding experience. You can adjust the power assist levels using the controls on the LCD display. The display typically provides options to choose from various assistance modes, such as eco, normal, and sport modes. Refer to the user manual for specific instructions on how to switch between power assist levels and make adjustments based on your preferences and riding conditions.

Conclusion

For any issues or concerns related to the OKAI Stride EB40 Electric Bike, it is highly recommended to consult the user manual provided by the manufacturer. The manual contains essential information on operating, troubleshooting, and maintaining the e-bike. Additionally, if you encounter any problems with your OKAI Stride EB40, it’s advisable to reach out to the customer service or visit an authorized service center for professional assistance and support.

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