Written By Doug Smirnoff

Cube – Reaction Hybrid Performance Common Problems and Troubleshooting

Despite the impressive features and design of the Cube Reaction Hybrid Performance, like its Performance Line Cruise motor and custom-designed fenders, owning this bike may still present some challenges.

This article is dedicated to shedding light on potential issues that users might encounter with the Cube Reaction Hybrid Performance, offering troubleshooting tips, and sharing real experiences of owning this model. While the bike boasts remarkable attributes such as its quiet motor operation and excellent stability due to its low and centered weight distribution, it’s essential to acknowledge that even the best-designed bikes can have their drawbacks.

Among the notable concerns are the limitations of its suspension fork, which might not meet the customization expectations of certain riders, and the Bosch “Purion” display’s lack of features compared to more advanced displays. Additionally, the positioning of the headlight could potentially compromise visibility for riders and vehicles alike.

Specifications

Name of Specification Description
Price $2,899.00
Type eBike
Release Year 2021
Brake Type Hydraulic Disc Brakes
Drive Type Mid-Drive
Frame Material Aluminum
Gears 9
Max Range 80 mi
Top Speed 20 mph
Watts 450
Weight 52 lbs
Weight Capacity 265 lbs
Wheels 2
Wheel Diameter 29 in
Wheel Width 2.6 in

Features

  • Mountain
  • Mountain
  • Commuter
  • Urban
  • Neighborhood
  • LCD Display
  • Fenders
  • Headlight
  • Integrated Taillight
  • Kickstand

Causes of Common Problems with the Cube – Reaction Hybrid Performance

In this section, we will discuss the potential causes of common problems experienced with the Cube – Reaction Hybrid Performance bike.

Stay tuned as we explore these issues in detail and provide effective solutions to address them later in this article.

Cube – Reaction Hybrid Performance Electric Bike Common Problems and Troubleshooting

  • Motor Noise Issue

    Description: The motor on the Cube – Reaction Hybrid Performance electric bike emits unusual noises during operation, such as grinding or whirring sounds.

    Cause of the problem: This issue may arise due to dirt or debris accumulation within the motor, worn-out motor components, or improper motor alignment.

    Troubleshooting:

    1. Inspect the motor area for any visible dirt or debris and clean it thoroughly.
    2. If the noise persists, consult a professional bike mechanic to inspect and possibly replace any worn-out motor components.
    3. Ensure that the motor is properly aligned according to the manufacturer’s specifications.
  • Battery Charging Problem

    Description: The battery of the Cube – Reaction Hybrid Performance electric bike does not charge properly or fails to hold a charge for the expected duration.

    Cause of the problem: This issue may occur due to a faulty charger, improper charging habits, or a defective battery.

    Troubleshooting:

    1. Check the charger and power outlet for any visible damage or loose connections.
    2. Try charging the battery using a different power outlet or charger to rule out any issues with the charging equipment.
    3. If the problem persists, contact the manufacturer for assistance or consider replacing the battery if it is found to be defective.
  • Brake Squeaking or Grinding

    Description: The brakes of the Cube – Reaction Hybrid Performance electric bike produce squeaking or grinding noises when applied, affecting braking performance and safety.

    Cause of the problem: Brake squeaking or grinding can be caused by worn brake pads, contaminated brake surfaces, or misaligned brake calipers.

    Troubleshooting:

    1. Inspect the brake pads for wear and replace them if necessary.
    2. Clean the brake surfaces and rotor with isopropyl alcohol to remove any dirt or debris.
    3. Adjust the brake calipers to ensure proper alignment and clearance with the rotor.
  • Display Malfunction

    Description: The display unit of the Cube – Reaction Hybrid Performance electric bike experiences malfunctions, such as screen flickering, unresponsive buttons, or inaccurate information display.

    Cause of the problem: Display malfunctions may occur due to loose connections, software glitches, or hardware defects.

    Troubleshooting:

    1. Check the connections between the display unit and the bike’s electrical system to ensure they are secure.
    2. If the issue persists, reset the display unit to factory settings or update its firmware if available.
    3. If troubleshooting steps do not resolve the problem, contact the manufacturer for further assistance or consider replacing the display unit.
  • Chain Slippage

    Description: The chain of the Cube – Reaction Hybrid Performance electric bike slips or skips gears during pedaling, leading to inconsistent power delivery and potential safety hazards.

    Cause of the problem: Chain slippage may be caused by a loose or improperly tensioned chain, worn chainrings or cassette, or misaligned derailleur.

    Troubleshooting:

    1. Inspect the chain tension and adjust it to the manufacturer’s recommended specifications.
    2. Check the chainrings and cassette for signs of wear and replace them if necessary.
    3. Ensure that the derailleur is properly aligned and adjusted to prevent chain misalignment.

Additional Cube – Reaction Hybrid Performance Electric Bike Common Problems and Troubleshooting

  • Range Anxiety

    Description: Riders experience anxiety or uncertainty about the remaining battery range of the Cube – Reaction Hybrid Performance electric bike, affecting their ride planning and enjoyment.

    Cause of the problem: Range anxiety may result from inaccurate battery level readings, unpredictable power consumption, or insufficient understanding of the bike’s range capabilities.

    Troubleshooting:

    1. Monitor the battery level and range estimation features of the bike’s display unit to gain a better understanding of its range performance.
    2. Plan rides with ample buffer range to account for potential variations in terrain, weather conditions, and riding style.
    3. Consider investing in an additional battery pack or carrying a portable charger for extended rides to alleviate range anxiety.
  • Throttle Response Delay

    Description: The throttle response of the Cube – Reaction Hybrid Performance electric bike exhibits delays or lag, impacting rider control and responsiveness.

    Cause of the problem: Throttle response delays may be caused by software glitches, electrical connectivity issues, or throttle sensor calibration errors.

    Troubleshooting:

    1. Inspect the throttle wiring and connections for any signs of damage or loose connections, and repair or replace as needed.
    2. Reset the throttle sensor or recalibrate it according to the manufacturer’s instructions to ensure accurate and responsive throttle input.
    3. If the issue persists, update the bike’s firmware or consult a professional bike mechanic for further diagnosis and repair.
  • Sudden Power Loss

    Description: The Cube – Reaction Hybrid Performance electric bike experiences sudden loss of power during operation, causing abrupt slowdowns or complete motor shutdowns.

    Cause of the problem: Sudden power loss may be attributed to overheating components, battery management system malfunctions, or electrical short circuits.

    Troubleshooting:

    1. Allow the bike to cool down if overheating is suspected, and avoid prolonged use in extreme weather conditions.
    2. Check the battery connections and terminals for any signs of corrosion or damage, and clean or replace them if necessary.
    3. If power loss persists, perform a comprehensive diagnostic check of the electrical system and components to identify and address any underlying issues.
  • Rattling or Loose Components

    Description: Various components of the Cube – Reaction Hybrid Performance electric bike, such as the handlebars, saddle, or accessories, develop rattling or looseness over time, affecting ride comfort and safety.

    Cause of the problem: Rattling or loose components may result from inadequate tightening, worn fasteners, or insufficient component compatibility.

    Troubleshooting:

    1. Inspect all components and accessories for secure attachment and tighten any loose fasteners or connections.
    2. Apply thread-locking adhesive to critical fasteners to prevent them from loosening due to vibrations during riding.
    3. If rattling persists, consider upgrading to high-quality components or accessories designed for electric bikes to ensure compatibility and durability.
  • Intermittent Electrical Issues

    Description: The Cube – Reaction Hybrid Performance electric bike experiences intermittent electrical issues, such as random power fluctuations, display glitches, or unresponsive controls, disrupting the riding experience.

    Cause of the problem: Intermittent electrical issues may stem from loose connections, water ingress, or damaged electrical components.

    Troubleshooting:

    1. Inspect all electrical connections and wiring harnesses for secure attachment and corrosion, and repair or replace damaged components as needed.
    2. Avoid riding in wet or rainy conditions and protect electrical components from water ingress using waterproof covers or seals.
    3. If electrical issues persist, consult a qualified electric bike technician or contact the manufacturer for professional diagnosis and repair.

More Common Problems and Troubleshooting for Cube – Reaction Hybrid Performance Electric Bike

  • Handlebar Misalignment

    Description: The handlebars of the Cube – Reaction Hybrid Performance electric bike become misaligned, affecting steering control and rider comfort.

    Cause of the problem: Handlebar misalignment may occur due to improper installation, impact from collisions or falls, or loosening of stem bolts.

    Troubleshooting:

    1. Check the alignment of the handlebars with the front wheel and frame to ensure they are properly centered and straight.
    2. Inspect the stem bolts for proper tightness and torque according to the manufacturer’s specifications, and tighten if necessary.
    3. If misalignment persists, consult a professional bike mechanic to assess and realign the handlebars for optimal performance.
  • Unresponsive Pedal Assist

    Description: The pedal assist feature of the Cube – Reaction Hybrid Performance electric bike fails to engage or respond to pedaling input, limiting rider assistance and efficiency.

    Cause of the problem: Unresponsive pedal assist may be caused by sensor malfunctions, software glitches, or battery power fluctuations.

    Troubleshooting:

    1. Check the pedal assist sensor and magnet alignment to ensure they are properly positioned and free from obstructions.
    2. Reset the pedal assist settings or update the bike’s firmware to address any software-related issues affecting pedal assist functionality.
    3. If pedal assist remains unresponsive, test the battery voltage and connections to ensure sufficient power supply, and replace or recharge the battery as needed.
  • Saddle Discomfort

    Description: Riders experience discomfort or pain while seated on the saddle of the Cube – Reaction Hybrid Performance electric bike, impacting ride enjoyment and endurance.

    Cause of the problem: Saddle discomfort may result from improper saddle positioning, inadequate padding or cushioning, or mismatched saddle dimensions.

    Troubleshooting:

    1. Adjust the saddle height, tilt, and fore/aft position to achieve optimal ergonomic alignment and weight distribution.
    2. Consider installing a saddle with additional padding or gel inserts to improve comfort and reduce pressure points during longer rides.
    3. If saddle discomfort persists, test different saddle models or seek professional bike fitting services to find a suitable saddle that suits your anatomy and riding style.
  • Chain Dropping

    Description: The chain of the Cube – Reaction Hybrid Performance electric bike drops off the chainring or cassette unexpectedly during gear shifts or rough terrain, posing safety risks and drivetrain damage.

    Cause of the problem: Chain dropping may be caused by improper derailleur adjustment, worn chainring or cassette teeth, or insufficient chain tension.

    Troubleshooting:

    1. Check the derailleur alignment and cable tension to ensure smooth and precise gear shifting without chain misalignment or droppage.
    2. Inspect the chainring and cassette teeth for signs of wear or damage, and replace them if worn beyond the manufacturer’s recommended limits.
    3. Adjust the chain tension using the rear derailleur or chain tensioner to prevent excessive slack and minimize chain droppage.
  • Display Unit Water Damage

    Description: The display unit of the Cube – Reaction Hybrid Performance electric bike sustains water damage from exposure to rain, puddles, or moisture ingress, causing display malfunctions and electrical failures.

    Cause of the problem: Display unit water damage may occur due to inadequate waterproofing, improper mounting, or prolonged exposure to wet conditions.

    Troubleshooting:

    1. Immediately remove the display unit from the bike and dry it thoroughly using a soft cloth or compressed air to prevent further water ingress.
    2. Allow the display unit to air dry completely in a well-ventilated area before attempting to power it on or reconnect it to the bike’s electrical system.
    3. If display malfunctions persist, contact the manufacturer or authorized dealer for professional inspection, repair, or replacement of the damaged display unit.
  • Wheel Alignment Issues

    Description: The wheels of the Cube – Reaction Hybrid Performance electric bike become misaligned, leading to uneven tire wear, wobbling, or steering instability.

    Cause of the problem: Wheel misalignment may result from loose axle nuts, bent rims, or improper spoke tension.

    Troubleshooting:

    1. Check the axle nuts and quick-release levers for proper tightness and torque according to the manufacturer’s specifications.
    2. Inspect the rims for signs of damage or irregularities, and true or replace them if necessary to restore wheel alignment.
    3. If wheel wobbling persists, consult a professional bike mechanic to adjust spoke tension and true the wheels for optimal alignment.
  • Excessive Motor Heat

    Description: The motor of the Cube – Reaction Hybrid Performance electric bike generates excessive heat during prolonged use, potentially leading to motor damage or performance degradation.

    Cause of the problem: Excessive motor heat may be caused by inadequate cooling, overloading, or prolonged operation at high power levels.

    Troubleshooting:

    1. Avoid prolonged operation of the motor at maximum power levels, and allow sufficient cooldown periods between rides to dissipate heat buildup.
    2. Check for any obstructions or blockages around the motor housing that may restrict airflow and impede cooling efficiency.
    3. If motor overheating persists, consult the manufacturer or authorized service center for inspection and potential motor replacement or repair.
  • Charging Port Damage

    Description: The charging port of the Cube – Reaction Hybrid Performance electric bike sustains physical damage, making it difficult or impossible to charge the battery.

    Cause of the problem: Charging port damage may occur due to accidental impacts, improper handling, or exposure to moisture or debris.

    Troubleshooting:

    1. Inspect the charging port and connector for any visible signs of damage, such as bent pins, cracked housing, or corrosion.
    2. Clean the charging port and connector with compressed air or a soft brush to remove any dirt, debris, or corrosion that may interfere with proper charging.
    3. If charging port damage is severe or irreparable, contact the manufacturer or authorized dealer for replacement or repair of the charging port assembly.
  • Loose or Noisy Pedals

    Description: The pedals of the Cube – Reaction Hybrid Performance electric bike become loose or develop squeaking or creaking noises during pedaling, affecting rider comfort and efficiency.

    Cause of the problem: Loose or noisy pedals may result from worn pedal bearings, inadequate lubrication, or improper pedal installation.

    Troubleshooting:

    1. Inspect the pedal bearings for wear or damage, and replace them if necessary to restore smooth pedal rotation.
    2. Lubricate the pedal threads and bearings with bicycle-specific grease or lubricant to minimize friction and noise during pedaling.
    3. If pedal noise persists, check the pedal attachment to the crank arms and tighten the pedal axle or spindle to the manufacturer’s recommended torque specifications.
  • Display Unit Mounting Failure

    Description: The display unit of the Cube – Reaction Hybrid Performance electric bike fails to securely mount to the handlebars or stem, leading to instability, vibration, or unintended movement during riding.

    Cause of the problem: Display unit mounting failure may occur due to loose or incompatible mounting hardware, improper installation, or worn mounting interfaces.

    Troubleshooting:

    1. Inspect the mounting hardware and components for proper fit, compatibility, and tightness, and replace any damaged or worn parts as needed.
    2. Ensure that the display unit is mounted securely to the handlebars or stem using the appropriate mounting brackets or adapters, and tighten all fasteners to the manufacturer’s recommended torque specifications.
    3. If display unit instability persists, consider using additional mounting accessories or consulting a professional bike mechanic for alternative mounting solutions.
  • No Power Assistance

    Description: The Cube – Reaction Hybrid Performance electric bike fails to provide power assistance when pedaling, resulting in a lack of propulsion and increased physical effort required from the rider.

    Cause of the problem: No power assistance may be caused by battery depletion, motor malfunction, or electrical connectivity issues.

    Troubleshooting:

    1. Check the battery charge level and recharge it if necessary to ensure sufficient power supply for motor assistance.
    2. Inspect the motor connections and wiring harness for any signs of damage or loose connections, and repair or replace as needed.
    3. If power assistance is still not restored, consult a professional bike mechanic or contact the manufacturer for further diagnosis and repair.
  • Erratic Motor Behavior

    Description: The motor of the Cube – Reaction Hybrid Performance electric bike exhibits erratic behavior, such as sudden acceleration, surging, or stalling, compromising rider safety and control.

    Cause of the problem: Erratic motor behavior may be caused by sensor malfunctions, software glitches, or motor controller issues.

    Troubleshooting:

    1. Reset the motor controller or update the bike’s firmware to address any software-related issues affecting motor performance.
    2. Inspect the motor sensors and wiring connections for proper alignment and secure attachment, and repair or replace any damaged components as needed.
    3. If erratic motor behavior persists, consult a qualified electric bike technician for professional diagnosis and repair of the motor system.
  • Poor Battery Life

    Description: The battery of the Cube – Reaction Hybrid Performance electric bike experiences poor longevity, requiring frequent recharging and limiting ride distance and duration.

    Cause of the problem: Poor battery life may be caused by battery degradation, excessive discharge cycles, or suboptimal charging habits.

    Troubleshooting:

    1. Monitor and manage battery charging cycles to avoid deep discharges and minimize battery wear and degradation over time.
    2. Store the battery in a cool, dry environment and avoid prolonged exposure to extreme temperatures or direct sunlight to extend battery lifespan.
    3. If poor battery life persists, consider replacing the battery with a new or higher-capacity model to improve ride range and overall performance.
  • Unresponsive Electronic Controls

    Description: The electronic controls of the Cube – Reaction Hybrid Performance electric bike, such as the throttle, pedal assist, or display unit, become unresponsive or erratic, hindering rider control and functionality.

    Cause of the problem: Unresponsive electronic controls may be caused by software glitches, electrical connectivity issues, or component malfunctions.

    Troubleshooting:

    1. Reset the electronic controls to factory settings or update the bike’s firmware to address any software-related issues affecting control responsiveness.
    2. Inspect the electrical connections and wiring harnesses for signs of damage or corrosion, and repair or replace any faulty components as needed.
    3. If electronic control issues persist, consult a professional bike mechanic or contact the manufacturer for further diagnosis and repair.
  • Frame Structural Integrity

    Description: The frame of the Cube – Reaction Hybrid Performance electric bike exhibits signs of structural weakness, such as cracks, dents, or frame misalignment, compromising rider safety and durability.

    Cause of the problem: Frame structural integrity issues may result from material fatigue, manufacturing defects, or impact damage.

    Troubleshooting:

    1. Inspect the frame for any visible signs of damage or deformation, paying close attention to welds, joints, and stress points.
    2. If structural issues are detected, discontinue riding the bike immediately and consult a professional bike mechanic or contact the manufacturer for inspection and potential frame replacement.
    3. Regularly inspect and maintain the frame integrity by performing visual checks and avoiding excessive impacts or rough handling during riding or transport.

Cube – Reaction Hybrid Performance Electric Bike User Reviews

Positive Reviews from Cube – Reaction Hybrid Performance Users

Here, we’ll explore the positive experiences shared by users of the Cube – Reaction Hybrid Performance electric bike.

  • Some users were satisfied with the smooth and efficient performance of the Performance Line Cruise motor, appreciating its quieter operation on the road.
  • Many riders praised the custom-designed fenders for their excellent protection and durability, even in challenging off-road conditions.
  • Several users commended the bike’s exceptional weight distribution, which contributed to its stability and control during rides.
  • Riders were impressed by the quality of the rims, noting their ability to reduce the risks of damage and cracking, ensuring a longer lifespan for the bike.
  • Many users found the Shimano hydraulic disc brakes to be highly effective, providing smooth and reliable stopping power, especially on the larger 29-inch wheels.
  • The inclusion of a kickstand was appreciated by riders, adding versatility to the bike for urban or light trail riding.
  • Users praised the sleek design of the bike, with hidden wires and battery pack, enhancing its aesthetic appeal and overall performance.
  • Several riders highlighted the convenience of Cube accessories, such as the rear rack, which seamlessly integrated with the bike without compromising functionality.
  • Many users expressed confidence in the bike’s durability and reliability, thanks to the comprehensive two-year warranty provided by Cube, along with a five-year warranty on the frame.

Positive feedback from Cube – Reaction Hybrid Performance customers indicates satisfaction with various aspects of the bike, including its motor performance, durability, braking system, design, and warranty coverage.

Negative User Reviews of the Cube – Reaction Hybrid Performance

Below are summarized negative user experiences with the Cube – Reaction Hybrid Performance electric bike:

  • Some users were not satisfied with the suspension fork, describing it as overly basic with limited adjustability, which affected its performance on rough terrain.
  • Riders expressed frustration with the left-chain mounted Bosch speed reader and spoke magnet, noting its susceptibility to being knocked out of position easily, potentially affecting speed accuracy.
  • Several users were disappointed with the basic Bosch “Purion” display, highlighting its lack of features compared to more advanced Bosch displays like the Intuvia and Nyon.
  • Concerns were raised about the headlight mounted to the suspension arch, with users noting that it reduces visibility for cars, posing a safety risk during night rides.
  • Some users found the Alivio trigger shifter less ergonomic compared to other shifting mechanisms, requiring the use of the pointer finger instead of the thumb, leading to discomfort during rides.

While there are some negative aspects highlighted by users, the majority of users were satisfied with the Cube – Reaction Hybrid Performance electric bike.

Cube – Reaction Hybrid Performance Manual

The operating instructions for the Cube – Reaction Hybrid Performance electric bike can be found on the manufacturer’s website.

Conclusion

Overall, the article has provided a comprehensive overview of the Cube – Reaction Hybrid Performance electric bike, focusing on its common problems, troubleshooting steps, user reviews, and operating instructions.

Through the examination of common issues and their solutions, readers can gain insights into potential challenges they may encounter with the bike and how to address them effectively. The article also highlights the positive experiences shared by users, showcasing the bike’s notable features and performance attributes.

While some negative feedback was reported, particularly regarding certain components and features, the majority of users expressed satisfaction with the Cube – Reaction Hybrid Performance electric bike. With its impressive performance, thoughtful design features, and comprehensive warranty coverage, the bike remains a popular choice for both casual riders and eBike enthusiasts.

Cube – Reaction Hybrid Performance FAQ

What type of brakes does the Cube Reaction Hybrid Performance have?

The Cube Reaction Hybrid Performance is equipped with Shimano hydraulic disc brakes, providing easy one-finger operation and adjustable reach for enhanced braking performance.

Does the Cube Reaction Hybrid Performance come with fenders?

Yes, the bike comes with custom-designed fenders that offer excellent protection, even on rugged terrains.

Is the Cube Reaction Hybrid Performance suitable for off-road trails?

Indeed, the Cube Reaction Hybrid Performance is versatile and performs admirably on both urban landscapes and mountain bike trails.

Can the Cube Reaction Hybrid Performance be used for commuting?

Absolutely, with its kickstand, fenders, and lights, the eBike can be easily used as an urban/light trail companion for commuting.

What is the maximum range of the Cube Reaction Hybrid Performance eBike?

The Cube Reaction Hybrid Performance can reach a maximum range of up to 129 kilometers on a single charge.

Does the Cube Reaction Hybrid Performance eBike come with a warranty?

Yes, the bike comes with a comprehensive two-year warranty from Cube, with a five-year warranty on the frame.

What are the battery options available for the Cube Reaction Hybrid Performance eBike?

The Cube Reaction Hybrid Performance offers options for a 400 watt or a 500 watt battery pack, providing flexibility for different riding needs.

Is the battery pack of the Cube Reaction Hybrid Performance easily accessible?

Yes, the battery pack is well-hidden and enclosed in the downtube, and it can be charged both on and off the bike for convenience.

What type of motor does the Cube Reaction Hybrid Performance eBike use?

The Cube Reaction Hybrid Performance eBike uses the Bosch Performance Line Cruise motor, known for its reliability and efficiency.

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