Written By Doug Smirnoff

Argon 18 Subito E-Road Bicycle Common Problems and Troubleshooting

If you’re a road cyclist seeking an exhilarating experience, the Argon 18 Subito E-Road Bicycle is likely on your radar. Boasting a powerful rear-wheel motor and a sleek design, this e-road bike offers seamless rides, making it a standout in the market. However, even with its distinctive features, every bike may encounter some common issues that deserve attention.

One notable feature of the Subito is its robust rear-wheel motor, ensuring a smooth ride against challenging headwinds. Coupled with a polished design, thanks to the integrated battery and hidden cables, this bike stands out on the road. Yet, despite these remarkable aspects, owners might still face certain challenges. For instance, the Subito’s range of up to 25 miles, while suitable for many, could be considered on the shorter side compared to competitors. Understanding your typical riding distances and charging habits is crucial in maximizing the Subito’s performance.

Additionally, riders should be mindful of the Subito’s water resistance. While not fully waterproof, precautions are necessary when riding in wet conditions to prevent potential damage. This article delves into the common problems encountered by Subito owners, providing valuable insights into troubleshooting and real-life experiences. Whether you’re a seasoned cyclist or new to e-road bikes, understanding these potential issues and their solutions ensures a more enjoyable and trouble-free riding experience with the Argon 18 Subito E-Road Bicycle.


Name of Specification Description
Price $6,000.00
Type eBike
Class Class 1
Release Year 2020
Brake Type Hydraulic Disc Brakes
Drive Type Hub-Drive
Frame Material Carbon
Gears 11
Max Range (mi) 25 mi
Top Speed (mph) 20 mph
Watts 250
Weight (lbs) 27 lbs
Weight Capacity (lbs) 243 lbs
Wheels 2
Wheel Diameter (in) 27.5 in
Wheel Width (in) 1.1 in


  • Commuter – Designed for commuting purposes
  • Argon Fit System – Incorporates Argon’s fitting system
  • Topological Compliance System – Utilizes a topological compliance system
  • Integrated battery and cables – Battery and cables are seamlessly integrated
  • Pedal Assist – Equipped with pedal-assist technology
  • Integrated carbon fiber frame – Frame constructed with integrated carbon fiber
  • Lightweight – Overall design prioritizes lightweight construction
  • Buy at Argon 18 – Available for purchase directly from Argon 18

Causes of Common Problems with the Argon 18 Subito E-Road Bicycle

As owners and enthusiasts of the Argon 18 Subito E-Road Bicycle, it’s crucial to be aware of potential challenges that may arise during usage. This subsection delves into the causes behind common problems faced by riders, offering insights into troubleshooting and effective solutions.

In the following sections, we will explore specific issues that riders may encounter with the Subito and provide practical guidance on resolving these challenges. By understanding the root causes, you’ll be better equipped to maintain and optimize your riding experience with this remarkable e-road bike.

1. Power Loss During Riding

Description: Riders may experience sudden power loss while actively using the Argon 18 Subito E-Road Bicycle, leading to a decline in motor assistance.

Cause: This issue can be attributed to various factors, such as low battery levels, loose connections, or issues with the pedal assist system.


  1. Check the battery level and recharge if necessary.
  2. Inspect and secure all cable connections to ensure they are properly plugged in.
  3. If the problem persists, refer to the user manual for specific pedal assist troubleshooting steps.

2. Inconsistent Pedal Assist Activation

Description: Some riders may encounter inconsistency in the activation of the pedal assist feature, leading to an unpredictable riding experience.

Cause: This issue can arise due to sensor malfunctions, software glitches, or interference with other electronic devices.


  1. Ensure that sensors are clean and free from debris; clean or replace if needed.
  2. Update the bike’s firmware to the latest version as recommended by the manufacturer.
  3. Keep electronic devices that may cause interference away from the bike during rides.

3. Limited Range on a Full Charge

Description: Some users might notice that the actual range of the Argon 18 Subito E-Road Bicycle falls short of the specified maximum distance on a full battery charge.

Cause: Factors such as terrain, rider weight, and aggressive riding styles can contribute to a reduction in the bike’s range.


  1. Adjust riding habits, such as using lower assist levels on flat terrain to conserve battery power.
  2. Consider external factors like wind resistance and elevation when estimating range.
  3. If the issue persists, consult with the manufacturer or dealer for battery health diagnostics.

4. Unusual Noises from the Motor

Description: Riders may notice unusual noises emanating from the motor during operation, affecting the overall riding experience.

Cause: Motor noises can be caused by loose components, misalignment, or internal mechanical issues within the motor assembly.


  1. Inspect and tighten any loose bolts or components in the motor assembly.
  2. Check for misalignments and realign the motor if necessary.
  3. If the noises persist, seek professional assistance for a detailed motor inspection.

5. Braking System Inefficiency

Description: Users may encounter issues with the braking system, such as reduced responsiveness or uneven braking performance.

Cause: Brake inefficiency can be attributed to factors like worn brake pads, improper adjustment, or issues with the hydraulic brake system.


  1. Inspect brake pads for wear and replace if they have reached their service limit.
  2. Ensure proper adjustment of the brake calipers and levers for optimal performance.
  3. If issues persist, bleed the hydraulic brake system or seek professional assistance.

6. Difficulty in Shifting Gears

Description: Some riders may encounter challenges when shifting gears, experiencing delays or difficulty moving between gear ratios.

Cause: Issues with the derailleur alignment, cable tension, or internal gear mechanisms can contribute to difficulties in shifting.


  1. Inspect and adjust derailleur alignment to ensure smooth gear transitions.
  2. Check cable tension and make necessary adjustments for precise shifting.
  3. If problems persist, consider lubricating internal gear components or seek professional assistance.

7. Unresponsive Control Panel

Description: Users may face instances where the control panel on the handlebars becomes unresponsive, hindering the adjustment of settings or assist levels.

Cause: Software glitches, water exposure, or electrical issues can lead to unresponsiveness in the control panel.


  1. Power off and restart the bike to reset the control panel software.
  2. Ensure the control panel is dry and shielded from direct water exposure.
  3. If unresponsiveness persists, contact the manufacturer for further guidance or potential firmware updates.

8. Battery Charging Issues

Description: Riders may encounter difficulties when charging the bike’s battery, including slow charging, failure to hold a charge, or other charging-related issues.

Cause: Charging problems can be caused by a faulty charger, issues with the charging port, or a deteriorating battery.


  1. Use a known working charger to eliminate potential issues with the charging device.
  2. Inspect the charging port for dirt or damage and clean or repair as necessary.
  3. If problems persist, consult with the manufacturer for battery diagnostics or replacement.

9. Loose or Unstable Handlebars

Description: Riders may notice that the handlebars feel loose or unstable during rides, affecting overall control and stability.

Cause: Loose stem bolts, handlebar clamp issues, or improper assembly can lead to instability in the handlebars.


  1. Inspect and tighten stem bolts to secure the handlebar in the correct position.
  2. Check the handlebar clamp for any damage or misalignment and make necessary adjustments.
  3. If instability persists, consult with a bike technician for a thorough inspection and potential replacements.

10. Excessive Vibration While Riding

Description: Riders may experience an uncomfortable level of vibration through the bike frame, handlebars, or saddle during rides.

Cause: Excessive vibration can result from tire issues, improper wheel balance, or problems with the bike’s suspension system.


  1. Inspect and properly inflate tires to the recommended pressure levels.
  2. Check wheel balance and adjust as needed to minimize vibrations.
  3. If problems persist, examine the bike’s suspension components for wear or damage and address accordingly.

11. Premature Wear on Drive Train Components

Description: Riders may notice accelerated wear on drive train components such as the chain, cassette, and chainrings, resulting in reduced performance and reliability.

Cause: Factors contributing to premature wear include improper chain maintenance, misalignment of gears, or riding in harsh conditions.


  1. Regularly clean and lubricate the chain to prevent dirt buildup and corrosion.
  2. Check for proper alignment of gears and adjust as necessary to minimize wear.
  3. Consider upgrading to higher-quality drive train components for improved durability.

12. Unstable Handling at High Speeds

Description: Riders may experience instability or wobbling at high speeds, compromising control and safety.

Cause: Factors such as frame geometry, wheel balance, or improper bike fit can contribute to unstable handling.


  1. Check bike fit and adjust saddle height, stem length, and handlebar position for optimal riding position.
  2. Inspect wheel trueness and balance, and true or replace wheels as needed.
  3. If instability persists, consider consulting with a professional bike fitter for further adjustments.

13. Difficulty in Mounting Accessories

Description: Users may encounter challenges when mounting accessories such as racks, fenders, or water bottle cages onto the bike frame.

Cause: Incompatibility with accessory mounting points, limited clearance, or interference with other bike components can make accessory installation difficult.


  1. Ensure compatibility between accessories and the bike frame’s mounting points.
  2. Consider alternative mounting solutions or accessories designed specifically for the Argon 18 Subito E-Road Bicycle.
  3. If necessary, consult with a bike mechanic for customized mounting options or modifications.

14. Sudden Loss of Tire Pressure

Description: Riders may experience sudden deflation of tires during rides, leading to a loss of traction and potential safety hazards.

Cause: Puncture flats, rim leaks, or valve issues can cause rapid loss of tire pressure while riding.


  1. Inspect tires for punctures or cuts and repair or replace damaged tubes or tires.
  2. Check rims for damage or sharp edges that may cause leaks and address as needed.
  3. Ensure proper valve installation and functionality; replace valves if necessary.

15. Disconnection Between Handlebar and Front Wheel

Description: Riders may notice a disconnection between the handlebar and the front wheel, leading to difficulty steering and potential safety concerns.

Cause: Loose or damaged stem bolts, improper headset adjustment, or worn bearings can cause the handlebar to become disconnected from the front wheel.


  1. Inspect and tighten stem bolts to secure the handlebar in place.
  2. Check headset adjustment and adjust as needed to ensure proper alignment and tightness.
  3. If problems persist, inspect headset bearings for wear and replace if necessary.

16. Unusual Noise from the Rear Suspension

Description: Riders may encounter strange noises emanating from the rear suspension, affecting the overall riding experience and indicating potential issues.

Cause: Noises can result from loose bolts, worn bushings, or insufficient lubrication within the rear suspension components.


  1. Inspect and tighten all bolts connecting the rear suspension components to the frame.
  2. Check for worn bushings and replace them if necessary for smoother operation.
  3. Lubricate suspension pivots and bearings according to the manufacturer’s recommendations.

17. Frequent Dropping of the Chain

Description: Riders may experience the chain frequently dropping off the chainring or cassette, disrupting the smooth operation of the drivetrain.

Cause: Misalignment of the front or rear derailleur, worn chainrings, or a loose chain can contribute to chain drop issues.


  1. Ensure proper alignment of the front and rear derailleurs for precise shifting and chain retention.
  2. Inspect chainrings for wear and replace if teeth are significantly worn down.
  3. Tighten the chain to the recommended tension, and consider using a chain guide for added stability.

18. Unresponsive Electric Assist Modes

Description: Users may face issues with the electric assist modes, such as unresponsiveness or failure to switch between different assistance levels.

Cause: Software glitches, sensor malfunctions, or issues with the control unit can lead to problems with the electric assist modes.


  1. Power off and restart the bike to reset the electric assist system.
  2. Check for any sensor issues and clean or replace them as needed.
  3. If problems persist, contact the manufacturer for software updates or assistance with the control unit.

19. Handlebar Grips Slipping

Description: Riders may experience handlebar grips slipping during rides, affecting grip comfort and control.

Cause: Oily or dirty handlebar surfaces, improper installation of grips, or worn grip components can contribute to slipping.


  1. Clean handlebar surfaces thoroughly and ensure they are free from oils or contaminants.
  2. Reinstall grips using proper techniques, ensuring a secure fit on the handlebars.
  3. If slipping persists, consider using grip adhesives or replacing worn grips with new ones.

20. Unstable Behavior in Wet Conditions

Description: Riders may notice unstable handling or reduced performance when riding the bike in wet or rainy conditions.

Cause: Reduced traction, water damage to electronic components, or compromised brake effectiveness can lead to instability in wet conditions.


  1. Use tires with suitable tread patterns for wet conditions to improve traction.
  2. Protect electronic components from water exposure, and dry the bike thoroughly after wet rides.
  3. Regularly check and maintain the braking system to ensure optimal performance in wet conditions.

21. Unreliable Auto-Adjustment of Suspension

Description: Riders may experience issues with the automatic adjustment feature of the suspension, leading to inconsistent performance on varied terrains.

Cause: Sensor malfunctions, software glitches, or insufficient calibration can result in unreliable auto-adjustment of the suspension system.


  1. Check for sensor issues and ensure they are clean and functioning properly.
  2. Update the bike’s firmware to the latest version as recommended by the manufacturer.
  3. If problems persist, consider manual adjustments or consult with the manufacturer for further guidance.

22. Unusual Battery Drain in Standby Mode

Description: Users may notice unexpected battery drain even when the bike is in standby mode or not actively being used.

Cause: Background processes, software issues, or malfunctioning components can contribute to excessive battery drain during standby.


  1. Power off the bike completely when not in use to minimize background processes.
  2. Update the bike’s firmware to address any software-related battery drain issues.
  3. If problems persist, seek professional assistance to diagnose and replace faulty components.

23. Difficulty in Folding or Unfolding

Description: Users of foldable models may encounter challenges in folding or unfolding the bike, reducing its portability and convenience.

Cause: Stiff or jammed folding mechanisms, misalignment of hinge points, or worn components can impede the folding process.


  1. Regularly lubricate folding mechanisms to ensure smooth operation.
  2. Inspect hinge points for misalignment or damage and adjust or replace components as needed.
  3. If difficulties persist, consult the user manual or contact the manufacturer for guidance.

24. Inaccurate Battery Level Indicator

Description: Riders may encounter inaccuracies in the displayed battery level, leading to uncertainties about the remaining charge.

Cause: Sensor inaccuracies, software glitches, or battery degradation can contribute to discrepancies in the battery level indicator.


  1. Power cycle the bike to reset the battery level indicator and recalibrate the sensors.
  2. Update the bike’s firmware to address any software-related inaccuracies.
  3. If uncertainties persist, consider using external battery voltage meters for more accurate readings.

25. Inconsistent Performance in Extreme Temperatures

Description: Riders may notice variations in the bike’s performance in extremely hot or cold temperatures, affecting overall reliability.

Cause: Temperature-sensitive components, lubricants, or battery chemistry can contribute to inconsistent performance in extreme weather conditions.


  1. Store the bike in a climate-controlled environment to minimize temperature extremes.
  2. Use lubricants and materials suitable for the specific temperature range in which you ride.
  3. If issues persist, consult with the manufacturer for recommendations on temperature-specific maintenance.

Argon 18 Subito E-Road Bicycle Electric Bike User Reviews

In this section, we delve into user feedback and experiences with the Argon 18 Subito E-Road Bicycle electric bike. Whether it’s the performance, design, or overall riding experience, we gather insights from users to provide a comprehensive view of what makes this bike stand out.

Positive Reviews from Argon 18 Subito E-Road Bicycle Users

  • Some users were satisfied with the powerful motor in the rear wheel, which allows for effortless riding even in strong headwinds. This feature enhances the overall riding experience, making challenging weather conditions more manageable.
  • Many users appreciated the sleek and clean design of the bike, particularly the integration of the battery and cables hidden within the frame. This not only adds to the aesthetic appeal but also contributes to a streamlined look on the road.
  • Several users found the three levels of assistance available on the bike to be incredibly convenient. Being able to switch between assistance levels using the handlebar controller offers flexibility and customization tailored to individual riding preferences.
  • Users commended the carbon frame for its exceptional lightweight build, making the bike easy to transport. This feature enhances the bike’s versatility, allowing riders to take it on various adventures without hassle.
  • Many users found value in the bike’s integration with a smartphone app, which provides real-time updates and details about their rides. This connectivity enhances the overall riding experience, keeping users informed and engaged.

Overall, positive feedback from Argon 18 Subito E-Road Bicycle users highlights the bike’s exceptional performance, sleek design, convenience, and connectivity features. These aspects contribute to a satisfying riding experience, making it a top choice for road cyclists.

Negative User Reviews of the Argon 18 Subito E-Road Bicycle

  • Some users were not satisfied with the ride assistance limitation, as it stops after reaching 20 mph. This could be considered a drawback, especially when compared to other bikes in the same price range that offer extended assistance, impacting the overall riding experience for certain users.
  • Several users expressed concerns about the bike’s range, finding the 25-mile limit to be relatively short compared to competitors’ bikes. This limitation may pose challenges for riders who require longer distances for their regular rides.
  • Some users highlighted the need for caution when riding in wet conditions, as the bike is not completely waterproof. This limitation could be a potential concern for those who frequently ride in rainy or wet weather, affecting the bike’s durability and performance.

Findings from negative feedback on the Argon 18 Subito E-Road Bicycle reveal concerns related to ride assistance limitations, the bike’s range, and its water resistance. While these issues are noteworthy, it’s essential to consider individual preferences and riding conditions when evaluating the overall satisfaction of users.

Despite these concerns, it’s important to note that the majority of users still expressed satisfaction with the Argon 18 Subito E-Road Bicycle, highlighting its positive features such as the powerful motor, sleek design, and lightweight carbon frame.

Argon 18 Subito E-Road Bicycle Manual

For detailed operating instructions and guidelines for the Argon 18 Subito E-Road Bicycle, it is recommended to refer to the official website of the manufacturer. The manual provides comprehensive information on the bike’s features, maintenance procedures, and usage guidelines to ensure a safe and optimal riding experience.


After a thorough exploration of the Argon 18 Subito E-Road Bicycle, it’s evident that this electric bike offers a compelling package for road cyclists seeking a thrilling and versatile riding experience. The positive features, including the powerful rear-wheel motor, sleek design, and customizable assistance levels, make it a standout choice in the e-road bike market.

While some limitations, such as the ride assistance speed cap and the bike’s range, were highlighted in negative user reviews, it’s crucial to recognize that individual preferences and riding conditions play a significant role in shaping these perceptions. The majority of users expressed satisfaction with the bike’s performance, emphasizing its strengths in various aspects.

In addition, the Argon 18 Subito E-Road Bicycle’s lightweight carbon frame, integration with a smartphone app, and overall design contribute to its appeal. The manual, available on the manufacturer’s website, provides essential operating instructions for users to make the most out of their riding experience and ensure proper maintenance.

Ultimately, the Argon 18 Subito E-Road Bicycle presents a compelling option for road cyclists, offering a blend of performance, design, and technological features. As with any product, individual preferences and specific requirements should be considered, but overall, the positive user feedback and notable features position this e-road bike as a noteworthy contender in the market.

Argon 18 Subito E-Road Bicycle FAQ

What is the release year of the Argon 18 Subito E-Road bicycle?

The Argon 18 Subito E-Road bicycle was released in 2020.

What is the weight limit for the Argon 18 Subito E-Road bicycle?

The bike has a maximum weight capacity of 110 kilograms.

Does the Subito E-Road bike have different levels of assistance?

Yes, the Subito E-Road bike offers three levels of assistance which you can switch between using the handlebar controller.

What type of frame does the Subito E-Road bike have?

The Subito E-Road bike has a carbon frame, which contributes to its lightweight and makes it easy to transport.

What type of riding is the Subito best suited for?

The Subito is designed for road cycling, including commuting and performance-oriented rides.

What is the maximum range of the Subito E-Road bicycle on a single charge?

The Subito E-Road bicycle has a maximum range of up to 25 miles (or 40 kilometers) on a single charge.

Can I connect the Subito E-Road bike to a smartphone app?

Yes, you can connect the bike to a smartphone app for tracking and other details.

Is the Subito E-Road bike waterproof?

The bike is not fully waterproof, so caution is advised when riding in wet conditions to prevent water damage.

What type of bike is the Argon 18 Subito E-Road Bicycle?

The Argon 18 Subito E-Road Bicycle is an eBike that serves as both a commuter and performance road bike with electric assistance.

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