Written By Doug Smirnoff

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Montague M-E1 Common Problems and Troubleshooting

Montague M-E1 Common Problems and Troubleshooting

Montague M-E1 common problems may seem elusive at first glance, especially considering its standout features like the seamless folding mechanism and impressive performance. This innovative folding electric bike has become a go-to choice for city commuters seeking convenience without compromising on power.

Despite the remarkable attributes of the M-E1, real experiences from riders reveal that even this exceptional electric bike is not immune to certain issues. While the bike excels in its folding capability and robust frame, some users have encountered challenges, such as the limitation of a single frame size and concerns about the durability of the plastic pedals. Additionally, the headlight mounted on the suspension fork arch may cause some inconvenience by bouncing around during rides. In this article, we focus on addressing these common problems and providing effective troubleshooting solutions to ensure a seamless riding experience with the Montague M-E1.

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Price $3,995.00
Type eBike
Release Year 2020
Brake Type Hydraulic Disc Brakes
Drive Type Mid-Drive
Frame Material Aluminum
Gears 10
Max Range (mi) 90 mi
Top Speed (mph) 20 mph
Watts 500
Weight (lbs) 55 lbs
Weight Capacity (lbs) 265 lbs
Wheels 2
Wheel Diameter (in) 27.5 in
Wheel Width (in) 1.75 in

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  • Commuter
  • Urban
  • Throttle
  • Fenders
  • Folding Mechanism
  • LED Display
  • Headlight
  • Integrated Taillight
  • Kickstand
  • Rear Rack
  • Buy at Montague

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Causes of Common Problems with the Montague M-E1

As with any complex piece of machinery, the Montague M-E1 may encounter common problems during its usage. This subsection delves into the potential causes of these issues, setting the stage for comprehensive solutions in the following sections.

Stay tuned as we explore these challenges and provide valuable insights on troubleshooting, ensuring that you can fully enjoy the benefits of your Montague M-E1 electric bike.

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1. Battery Not Charging

  • Description of the Problem: Users may experience issues with the Montague M-E1 battery not charging properly, leading to a depleted power source.
  • Cause of the Problem: The problem could be due to a faulty charging cable, a malfunctioning charging port, or issues with the battery itself.
  • Troubleshooting Step-by-Step:
    1. Ensure the charging cable is securely connected to both the power source and the bike.
    2. Check for any visible damage to the charging cable or port and replace if necessary.
    3. If the issue persists, contact Montague customer support for further assistance or consider professional battery inspection.

2. Inconsistent Motor Performance

  • Description of the Problem: Some users may notice inconsistencies in the Montague M-E1 motor performance, such as sudden stops or variations in power delivery.
  • Cause of the Problem: This issue could arise from motor overheating, loose connections, or software glitches.
  • Troubleshooting Step-by-Step:
    1. Allow the motor to cool down if it has been used extensively and feels hot to the touch.
    2. Check all motor connections to ensure they are securely attached.
    3. If the problem persists, update the bike’s firmware or seek professional assistance from Montague service centers.

3. Brake Alignment Problems

  • Description of the Problem: Users might encounter issues with the Montague M-E1’s brake alignment, affecting overall braking efficiency.
  • Cause of the Problem: Brake misalignment can occur due to transportation or rough handling, causing the brake pads to rub unevenly against the wheel rims.
  • Troubleshooting Step-by-Step:
    1. Inspect the brake pads for any visible misalignment or damage.
    2. Adjust the brake calipers to ensure even spacing on both sides of the wheel rims.
    3. If the problem persists, consult the Montague M-E1 user manual for specific brake adjustment instructions or seek professional help.

4. Folding Mechanism Difficulties

  • Description of the Problem: Some users may face challenges in folding and unfolding the Montague M-E1, impeding its convenient storage and transportation.
  • Cause of the Problem: The folding mechanism may experience stiffness, misalignment, or debris accumulation over time.
  • Troubleshooting Step-by-Step:
    1. Inspect the folding joints for any visible obstacles or debris and clean if necessary.
    2. Apply a lubricant to the folding hinges to reduce stiffness.
    3. If difficulties persist, refer to the user manual or contact Montague customer support for guidance.

5. LED Display Malfunctions

  • Description of the Problem: Users might encounter issues with the Montague M-E1’s LED display, such as inaccurate speed readings or a non-functional display.
  • Cause of the Problem: The problem could be attributed to loose connections, electrical issues, or a malfunctioning display unit.
  • Troubleshooting Step-by-Step:
    1. Check the display cable connections to ensure they are securely attached.
    2. Inspect for any visible damage to the display unit or wiring and replace if necessary.
    3. If the issue persists, seek professional assistance or contact Montague customer support for further troubleshooting steps.

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1. Battery Draining Quickly

Description: Some Montague M-E1 users experience rapid depletion of the battery, resulting in reduced riding time.

Cause: This issue may arise due to factors such as high power consumption, outdated firmware, or a faulty battery.


  1. Check for any power-hungry accessories and minimize their usage during rides.
  2. Ensure the e-bike’s firmware is up-to-date by referring to Montague’s official updates.
  3. Inspect the battery for visible damage or swelling. If found, contact Montague support for a replacement.

2. Inconsistent Motor Performance

Description: Users may notice irregularities in the motor’s performance, affecting the overall riding experience.

Cause: Potential causes include loose connections, sensor issues, or software glitches affecting the motor controller.


  1. Check all motor connections and ensure they are securely in place.
  2. Inspect the sensors for any dirt or debris, cleaning them if necessary.
  3. If issues persist, reset the motor controller or update its firmware as recommended by Montague.

3. Braking System Inefficiency

Description: Some M-E1 users may encounter reduced effectiveness in the hydraulic disc brake system.

Cause: Possible causes include brake fluid leakage, air in the brake lines, or brake pad wear.


  1. Inspect the brake lines and calipers for any signs of leakage. Address any issues found immediately.
  2. Bleed the brake system to remove any trapped air, enhancing overall brake performance.
  3. Check and replace brake pads if they are worn beyond the recommended limit.

4. Unresponsive LED Display

Description: Some users may face issues with the LED display not responding to input or displaying information inaccurately.

Cause: This problem may be attributed to loose connections, software glitches, or a malfunctioning display unit.


  1. Ensure all connections between the display unit and the main controller are secure.
  2. Update the firmware of the LED display following Montague’s recommended procedures.
  3. If issues persist, contact Montague support for further assistance or a potential replacement.

5. Difficulty in Folding Mechanism

Description: Some users may encounter challenges in smoothly operating the folding mechanism of the Montague M-E1.

Cause: Possible causes include dirt accumulation, misalignment, or inadequate lubrication in the folding components.


  1. Clean the folding joints and hinges, removing any dirt or debris that may impede the mechanism.
  2. Ensure proper alignment of the folding components and adjust if necessary.
  3. Apply lubricant to the folding joints as per the manufacturer’s recommendations.

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6. Gear Shifting Issues

Description: Some riders may encounter challenges with gear shifting, including delays or difficulty moving between gears.

Cause: Potential causes include cable tension problems, misalignment, or issues with the derailleur.


  1. Check cable tension and adjust if necessary to ensure smooth gear transitions.
  2. Inspect the alignment of the derailleur and make adjustments as needed.
  3. If issues persist, consider having the bike professionally tuned or serviced.

7. Unusual Noises During Riding

Description: Riders may experience unexpected noises, such as creaking or grinding, while operating the Montague M-E1.

Cause: Possible causes include loose components, worn-out parts, or inadequate lubrication.


  1. Inspect the bike for loose bolts, screws, or other components and tighten them securely.
  2. Check for signs of wear on moving parts such as the chain, cassette, and pedals, and replace if necessary.
  3. Lubricate key moving parts as per the manufacturer’s recommendations to reduce friction and noise.

8. Tire Puncture and Flats

Description: Users may encounter issues with frequent tire punctures or flats during rides.

Cause: Common causes include sharp objects on the road, inadequate tire pressure, or worn-out tires.


  1. Inspect the tires for any embedded objects and remove them carefully.
  2. Maintain the recommended tire pressure to reduce the risk of punctures.
  3. If flats persist, consider upgrading to puncture-resistant tires or carrying a repair kit for on-the-go fixes.

9. Unstable Front Headlight

Description: Some users may notice the front headlight bouncing or moving unpredictably during rides.

Cause: This issue may result from insufficient mounting or a loose connection in the headlight assembly.


  1. Check the mounting of the front headlight and secure it tightly to prevent excessive movement.
  2. Inspect the wiring connections to ensure they are firmly attached and not causing the instability.
  3. If issues persist, consider using additional mounting support or contacting Montague support for assistance.

10. Difficulty in Battery Removal

Description: Users may encounter challenges when attempting to remove the battery for charging or maintenance.

Cause: Possible causes include misalignment of the battery, dirt accumulation in the locking mechanism, or a faulty release mechanism.


  1. Ensure the battery is properly aligned in its designated slot for easy removal.
  2. Clean the locking mechanism to eliminate any dirt or debris hindering the smooth release of the battery.
  3. If issues persist, consult the user manual or contact Montague support for guidance on resolving the problem.

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6. Unstable Ride on Steep Hills

Description: Riders may experience instability when climbing steep hills with the Montague M-E1.

Cause: The issue may stem from improper weight distribution, tire pressure, or suspension settings.


  1. Adjust your riding posture to maintain a balanced weight distribution, particularly on uphill climbs.
  2. Check and optimize tire pressure according to the manufacturer’s recommendations.
  3. Modify suspension settings to better suit the terrain, ensuring stability during hill ascents.

7. Noisy Operation During Pedal Assistance

Description: Some users may notice excessive noise coming from the pedal-assist system during operation.

Cause: Noisy operation can result from misaligned components, worn-out chain, or inadequate lubrication.


  1. Inspect and realign components, such as the chain and gears, ensuring they are properly set.
  2. Check the condition of the chain and replace it if signs of wear are evident.
  3. Apply appropriate lubrication to the pedal-assist system components for smoother and quieter operation.

8. Displaying Incorrect Speed Readings

Description: The LED display may show inaccurate speed readings, affecting the rider’s perception of their speed.

Cause: This issue may result from a malfunctioning speed sensor, software glitch, or interference with other electronic devices.


  1. Inspect the speed sensor for any damage or misalignment, addressing any issues found.
  2. Update the e-bike’s firmware to the latest version to resolve potential software-related discrepancies.
  3. Avoid using electronic devices near the speed sensor to minimize interference.

9. Limited Frame Size Options

Description: The Montague M-E1 is available in only one frame size, potentially limiting comfort for riders outside the specified range.

Cause: The lack of multiple frame size options may result in discomfort for riders whose dimensions do not align with the available size.


  1. Ensure accurate measurements to determine if the available frame size suits your body proportions.
  2. Explore potential aftermarket solutions, such as alternative saddles or handlebars, to enhance comfort.
  3. Contact Montague for insights or updates on any plans for additional frame size options.

10. Pedal Resistance During Electric-Assist Mode

Description: Some users may encounter increased resistance in the pedals when operating in electric-assist mode.

Cause: Pedal resistance can occur due to a malfunctioning motor, incorrect power settings, or a damaged pedal-assist sensor.


  1. Inspect the motor and associated components for any issues, addressing them as necessary.
  2. Adjust the power settings to ensure a smoother transition between pedal power and electric-assist mode.
  3. Check the pedal-assist sensor for proper functioning and replace it if needed.

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6. Sudden Loss of Pedal Assist

Description: Some riders may experience an unexpected cessation of pedal assistance while using the Montague M-E1.

Cause: This issue could be related to sensor malfunctions, software glitches, or issues with the motor controller.


  • Check for loose or damaged sensor connections and secure them properly.
  • Update the e-bike’s firmware to the latest version to address any software-related issues.
  • If problems persist, consult Montague’s support for further diagnostic steps.

7. Unusual Noises During Operation

Description: Riders may notice unusual sounds, such as creaking or grinding, emanating from the Montague M-E1 during operation.

Cause: Possible causes include loose components, worn-out parts, or insufficient lubrication in critical areas.


  • Inspect all major components for tightness and address any loose bolts or fittings.
  • Check for worn-out parts, such as the chain or gears, and replace them if necessary.
  • Apply appropriate lubrication to moving parts to minimize friction and noise.

8. Erratic Performance in Extreme Temperatures

Description: The Montague M-E1 may exhibit irregular behavior, such as reduced battery efficiency, when exposed to extreme hot or cold temperatures.

Cause: Extreme temperatures can impact battery performance and may lead to issues with electronic components.


  • Avoid exposing the e-bike to extreme temperatures whenever possible.
  • If riding in such conditions, monitor battery performance and be prepared for potential reductions in range.
  • Allow the e-bike to acclimate to moderate temperatures before charging or operating in extreme conditions.

9. Difficulty in Shifting Gears

Description: Some users may encounter challenges when trying to shift gears, leading to an inconsistent riding experience.

Cause: Potential causes include misalignment of the derailleur, cable tension issues, or worn-out gear components.


  • Inspect the alignment of the derailleur and adjust it if necessary.
  • Check cable tension and make adjustments using the bike’s gear shifters.
  • If problems persist, consult a professional bike mechanic for a thorough assessment.

10. Unreliable Charging

Description: Users may face challenges with the charging process, such as the battery not charging fully or experiencing intermittent charging issues.

Cause: Possible causes include a faulty charger, damaged charging port, or issues with the battery itself.


  • Verify the charger’s functionality by testing it with other compatible devices or e-bikes.
  • Inspect the charging port for any visible damage or debris and clean if necessary.
  • If problems persist, contact Montague support for further assistance or a potential replacement.

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Montague M-E1 Electric Bike User Reviews

Positive Reviews from Montague M-E1 Users

Montague M-E1 users have expressed satisfaction with various aspects of their riding experience. Here are some summarized positive reviews based on user feedback:

  • Some users were delighted with the convenience of the folding mechanism, emphasizing its ease of use and practicality for city commuters with limited storage space.
  • Many riders praised the top-notch performance and handling of the Montague M-E1, highlighting its versatility on different terrains, providing a smooth and enjoyable ride.
  • A significant number of users appreciated the impressive range of up to 90 miles on a single charge, making the M-E1 a reliable choice for long-distance rides and daily commutes.
  • Several users highlighted the bike’s lightweight design at just 54 lbs, making it easy to handle and transport, contributing to an enhanced overall riding experience.
  • Customers expressed satisfaction with Montague’s customer-centric policies, such as the 30-day return guarantee and the 5/2 year warranty for the frame and motor, providing peace of mind and confidence in their purchase.
  • Riders were pleased with the quick recharge time of 2-3 hours, allowing them to get back on the road swiftly and minimizing downtime.
  • Users praised the M-E1’s specialized design for climbing steep hills effortlessly, attributing this capability to the powerful motor and robust frame.
  • Many riders valued the flexibility provided by the three pedal-assist modes, allowing them to customize the level of assistance according to their preferences and riding conditions.
  • The inclusion of an excellent LED display that provides real-time information on speed, distance, and battery life was appreciated by users for enhancing the overall riding experience.

In conclusion, positive feedback from Montague M-E1 users underscores the bike’s success in delivering a convenient, high-performance, and feature-rich electric biking experience. The combination of innovative design, reliable functionality, and customer-friendly policies has contributed to a satisfying ownership experience for many riders.

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Negative User Reviews of the Montague M-E1

While the Montague M-E1 has received overall positive feedback, some users have highlighted specific concerns in their experiences:

  • Some users were not satisfied with the fact that the Montague M-E1 is only available in one frame size. This limitation could pose challenges for riders who do not comfortably fit into the specified size.
  • Although the majority of the bike’s components are of high quality, a common point of contention among users is the plastic pedals. Some riders found them to be a weak spot in an otherwise well-built bike.
  • Another concern raised by users is the placement of the headlight on the suspension fork arch. Riders reported that the headlight tends to bounce around during rides, causing inconvenience and potential safety issues.

In conclusion, it’s essential to acknowledge that while the Montague M-E1 has garnered positive reviews for its overall performance and design, there are specific aspects, such as the limited frame size options, plastic pedals, and headlight placement, that have generated negative feedback. These concerns should be considered by potential buyers, but it’s noteworthy that the majority of users still express satisfaction with the bike’s features and performance.

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Montague M-E1 Manual

For detailed operating instructions and guidelines for the Montague M-E1 electric bike, please refer to the official website of the manufacturer. The manual is available online and provides comprehensive information on assembly, usage, maintenance, and troubleshooting.


After exploring the various aspects of the Montague M-E1 electric bike, it’s evident that this model offers a compelling solution for city commuters and riders with limited storage space. The innovative folding design, impressive performance, and user-friendly features contribute to its popularity among electric bike enthusiasts.

Positive user reviews highlight the convenience of the folding mechanism, top-notch performance on diverse terrains, and excellent range. The inclusion of customer-centric policies, such as the return guarantee and warranty, adds to the overall appeal of the M-E1.

While negative feedback addresses specific concerns like limited frame size options, plastic pedals, and headlight placement, it’s essential to note that these issues are subjective and may not outweigh the positive attributes for many users.

In conclusion, the Montague M-E1 stands out as a reliable and convenient electric bike option, catering to the needs of urban commuters. Prospective buyers are encouraged to consult the official manual for detailed instructions and consider user feedback to make an informed decision based on their preferences and requirements.

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Montague M-E1 FAQ

Is the Montague M-E1 eBike foldable?

Yes, the Montague M-E1 is a full-size performance foldable eBike, making it convenient for storage and transport.

What type of brakes does the Montague M-E1 eBike use?

The Montague M-E1 eBike is equipped with hydraulic disc brakes.

What is the weight capacity of the Montague M-E1 eBike?

The Montague M-E1 eBike has a weight capacity of 120 kg.

Is there a return policy for the Montague M-E1 eBike?

Yes, Montague offers a 30-day return guarantee if customers are not satisfied with their purchase.

Does the Montague M-E1 eBike have a throttle?

Yes, the Montague M-E1 features a throttle.

How long does it take to fully recharge the Montague M-E1 eBike?

It can be fully recharged within 2-3 hours.

Does the Montague M-E1 have different size options?

No, the Montague M-E1 eBike comes in only one frame size.

What kind of warranty does the Montague M-E1 eBike come with?

The Montague M-E1 eBike comes with a 5/2 year warranty for the frame and motor.

How far can the Montague M-E1 eBike go on a single charge?

The Montague M-E1 eBike offers up to 90 miles of range on a single charge.

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