Torque Sensor E-Bike vs Cadence Sensor: Which Is Better in 2026?

Key takeaways

• A Torque Sensor E-Bike responds to how much force the rider applies to the pedals, while a cadence-sensor system primarily detects whether and how quickly the crank is rotating.
• Torque sensing usually creates a more proportional and natural pedal-assist experience, especially during starts, climbing, changing terrain, and low-speed riding.
• Cadence sensors remain practical for riders who prefer straightforward electric assistance and for products where simplicity and cost control are important.
• Sensor type affects riding feel, but motor power, controller programming, battery capacity, gearing, bike weight, and tire size are equally important.
• Torque sensing does not automatically increase range in every situation, although smoother power delivery can help riders use assistance more selectively.
• Heavy fat-tire and moped-style e-bikes can benefit from predictable low-speed assistance because their greater vehicle weight changes acceleration and handling.
• Importers should test sensor response under realistic riding conditions rather than comparing products only by motor wattage and battery capacity.
• OEM buyers should define sensor behavior, assistance levels, controller tuning, motor configuration, and target-market regulations before approving mass production.
• In 2026, smarter pedal-assist systems are becoming increasingly relevant as electric bicycles move beyond basic motor-and-battery specifications toward a more refined overall riding experience.

Introduction

Electric bicycle specifications used to be dominated by a few easily understood numbers: motor wattage, battery capacity, maximum speed, and advertised range.

Those numbers still matter, but they no longer explain the complete riding experience.

As the electric bicycle market becomes more mature, buyers are paying greater attention to how the motor actually responds to the rider. A 750W e-bike can feel very different from another 750W model even when the battery, tire size, and nominal power appear similar.

One of the main reasons is the pedal-assist sensor.

The two most common approaches are torque sensing and cadence sensing.

A Torque Sensor E-Bike measures the rider’s pedaling force and adjusts motor assistance according to that input. A cadence-sensor e-bike primarily detects crank rotation and activates assistance according to the selected control logic.

Both systems can work well.

However, they produce noticeably different riding behavior and are better suited to different product positions.

This distinction is becoming more important as the global electric two- and three-wheel market continues to expand. The Outlook EV Global Badan Energi Internasional 2026 reports especially strong momentum for electric two- and three-wheelers in several emerging markets entering 2026.

For manufacturers, distributors, and private-label brands, understanding sensor technology can therefore help create more clearly differentiated products instead of competing only through larger motors or batteries.

What Is a Torque Sensor E-Bike?

A Torque Sensor E-Bike uses a sensor system to detect the force the rider applies while pedaling.

When the rider pushes harder on the pedals, such as during acceleration or climbing, the system can request more motor assistance. When pedal pressure decreases, assistance can also decrease.

This creates a closer relationship between human effort and electric support.

The broader concept is closely related to the pedelec, where motor assistance is controlled through sensors that can detect pedaling speed, crank torque, or a combination of both.

How Torque Is Detected

Torque represents a rotational force.

In bicycle applications, torque-sensing systems may measure deformation or force around the crank, bottom bracket, axle, rear dropout, or another part of the drivetrain.

Many force-measuring systems use strain-based sensing principles. Similar technology is also used in cycling power meters, where strain gauges can measure applied torque and combine that information with rotational speed to estimate rider power. The basic measurement concept is explained in the cycling power meter overview.

The exact sensor location and design depend on the motor system and bicycle architecture.

What Happens When the Rider Pedals?

When the rider begins applying pressure, the sensor sends information to the controller.

The controller then determines how much electrical assistance should be delivered according to factors such as:

• Kekuatan mengayuh
• Selected assistance level
• Motor programming
• Vehicle speed
• Controller settings
• System limits

The result is usually a progressive increase or decrease in assistance rather than a simple on/off response.

A Simple Example

Imagine two situations.

On a flat road, the rider pedals gently. The system recognizes the relatively low force and provides moderate assistance.

When the same rider reaches a hill and pushes harder on the pedals, the sensor recognizes the increase in force and allows the control system to provide stronger assistance.

The rider therefore remains part of the control process.

What Is a Cadence Sensor E-Bike?

A cadence sensor measures crank rotation rather than directly measuring how hard the rider is pushing.

In cycling, cadence refers to the rotational speed of the crank, normally expressed in revolutions per minute.

On a cadence-sensor e-bike, the control system detects that the pedals are turning and activates motor assistance according to the selected assistance mode and controller programming.

How Cadence Sensors Work

Many cadence systems use magnets or another rotational detection method around the crank.

When the rider starts rotating the pedals, the system recognizes movement and sends a signal to the controller.

Motor assistance then activates according to predefined settings.

What Cadence Sensors Do Not Measure

A cadence system does not necessarily know whether the rider is applying a large amount of force or simply rotating the pedals lightly.

This is the main difference between the two systems.

A rider may pedal gently while the controller continues supplying the programmed assistance level.

Why Cadence Sensors Remain Popular

Cadence sensors can still provide practical benefits.

They are generally straightforward, familiar, and suitable for products where riders want strong electric assistance without needing to contribute substantial physical effort.

They can also support simpler product architectures and cost-sensitive models.

Torque Sensor vs Cadence Sensor Comparison

The best sensor depends on the intended riding experience.

Neither System Works Alone

The table should not be interpreted as meaning that every torque sensor is better than every cadence sensor.

A poorly calibrated torque sensor can produce an inconsistent ride.

A well-programmed cadence system can provide smooth and predictable assistance.

Motor behavior depends on the complete system, including the sensor, controller, motor, software, gearing, battery, wheel size, and vehicle weight.

Why Torque Sensor E-Bikes Feel More Natural

The main reason is proportional response.

Human riders naturally change pedal force throughout a journey.

They push harder when:

• Starting
• Climbing
• Accelerating
• Riding into wind
• Carrying additional load

They pedal more gently when:

• Cruising
• Descending
• Approaching a stop
• Riding through crowded areas
• Maintaining a steady speed

A torque-sensing system can respond to these changes.

The Rider Remains in Control

Instead of asking only, “Are the pedals moving?” the control system effectively asks, “How much effort is the rider applying?”

This creates a closer relationship between rider intention and motor output.

Starting From Low Speed

Heavy electric bicycles can require significant effort when beginning from rest.

A torque sensor can detect the increased pedal force during the first crank movement and request stronger assistance.

As the bicycle reaches cruising speed and rider effort decreases, assistance can become more moderate.

Cornering and Tight Spaces

Strong, sudden electric assistance is not always desirable.

In parking areas, crowded streets, narrow paths, or tight corners, riders may prefer a system that responds progressively to actual pedal input.

Natural Does Not Mean Weak

A torque-sensing system can still be paired with a powerful motor.

The difference is how that power is delivered.

A high-output motor combined with a well-tuned sensor can provide strong assistance when needed while remaining controllable during lighter pedaling.

Why Torque Sensors Suit Moped Style E-Bikes

Moped-style electric bicycles are generally heavier and more substantial than lightweight city bicycles.

They may combine:

• Larger motors
• Ban lebar
• Extended seats
• Stronger frames
• Hydraulic brakes
• Larger batteries
• Motorcycle-inspired components

These characteristics can increase vehicle mass and change low-speed behavior.

Hongtu Future Commuter-Focused Moped Style E-Bike S7 combines a 1500W motor, 48V 18Ah battery, torque-sensing drive system, front and rear hydraulic disc brakes, and 20 × 4.5 wide tires.

Controlling a Higher-Power Platform

A stronger motor can provide useful acceleration, but the way its output arrives is important.

Torque sensing allows assistance to respond to rider effort instead of depending only on crank rotation.

For a larger moped-style product, this can support a more predictable relationship between pedal pressure and acceleration.

Wide Tires Add Resistance and Weight

The S7’s 20 × 4.5 tires provide a broad tire profile that supports its moped-inspired design.

However, wide tires also change rolling characteristics compared with narrow commuter tires.

When additional effort is needed to start or climb, a torque-sensitive assistance system can respond directly to increased rider input.

Commuting Requires Variable Assistance

Urban commuting rarely involves one constant operating condition.

A rider may move between:

• Traffic lights
• Intersections
• Flat roads
• Small gradients
• Parking areas
• Shared paths
• Open roads

A responsive sensor can help the motor adapt more naturally to these changes.

Buyers evaluating the broader category can also review Hongtu Future’s existing article on Moped Style E-Bike Trends 2026, which explains how sensors, tires, batteries, braking, and regulatory considerations fit within current moped-inspired products.

Torque Sensor E-Bike vs Cadence Sensor for Commuting

Daily commuting is one of the clearest applications where sensor choice becomes noticeable.

Stop-and-Go Traffic

Urban routes involve repeated acceleration.

A rider may stop at:

• Traffic lights
• Crosswalks
• Intersections
• Building entrances
• Parking areas

A Torque Sensor E-Bike can increase assistance when the rider pushes firmly from a stop and then reduce assistance as less pedal force is needed.

Long Steady Roads

On long, flat routes, the difference may become less dramatic.

A cadence system can provide consistent assistance once the rider maintains pedal rotation.

For riders who prefer the motor to perform more of the work, this behavior may actually be desirable.

Crowded Urban Areas

Low-speed modulation becomes important around pedestrians and other bicycles.

Progressive assistance can give riders more control over how quickly power increases.

Rider Preference Matters

Some riders want a bicycle-like experience with additional electric support.

Others want the easiest possible transportation with minimal physical effort.

Neither preference is wrong.

The sensor should match the customer.

Torque Sensor E-Bike vs Cadence Sensor for Hills

Hills demonstrate the difference particularly clearly.

Torque Sensor on a Climb

When the rider begins pushing harder against the pedals, the system detects increased force.

The controller can respond with greater motor assistance according to its programming.

This creates a direct relationship between climbing effort and electrical support.

Cadence Sensor on a Climb

A cadence system recognizes that pedaling is taking place.

To receive more assistance, the rider may need to select a higher support level or rely on the controller’s programmed output.

The system does not necessarily recognize that pedal force has increased.

Gearing Still Matters

Sensor choice cannot replace correct gearing.

A rider should still select a suitable gear before or during a climb.

The motor, gearing, sensor, controller, tire size, total weight, and battery voltage all influence hill performance.

Do Not Compare Hill Performance by Sensor Alone

A 250W torque-sensor bike and a 750W cadence-sensor bike are not directly comparable simply because their sensing technologies differ.

Motor output and complete vehicle configuration remain important.

Does a Torque Sensor Improve E-Bike Range?

This question appears frequently in buying research.

The correct answer is: it can influence energy use, but a torque sensor does not automatically guarantee longer range.

Why It May Help

Because assistance follows rider effort, the motor may provide less power when the rider pedals gently.

That can reduce unnecessary electrical assistance in some riding situations.

Why It May Not

A rider who consistently pushes hard while using a high assistance setting may still demand substantial motor power.

Range also depends heavily on:

• Battery energy
• Motor efficiency
• Berat pengendara
• Berat kendaraan
• Lebar ban
• Tekanan ban
• Speed
• Wind
• Temperatur
• Gradien
• Frekuensi berhenti

The Better Way to Compare Range

Instead of asking whether one sensor “saves battery,” buyers should test two bikes over the same route.

Record:

• Starting battery state
• Route distance
• Berat pengendara
• Kecepatan rata-rata
• Tingkat bantuan
• Gradien
• Temperatur
• Ending battery state

This provides useful evidence for the actual application.

Torque Sensor E-Bike vs Cadence Sensor for Fat Tire Bikes

Fat-tire electric bicycles are another category where sensor behavior can make a noticeable difference.

Hongtu Future currently offers both Single-Suspension Fat Tire Off-Road E-Bike and Full-Suspension Fat Tire Off-Road E-Bike platforms within its Lifestyle E-Bike range.

Both current fat-tire platforms use 750W motors, 48V 18Ah batteries, 20 × 4.0 tires, and Shimano transmission components, while the primary structural difference is the suspension configuration.

Why Fat Tires Change Assistance Demand

Fat tires normally create more rotating mass and rolling resistance than narrow road tires.

The bike itself may also be heavier.

This makes smooth starts and controlled assistance useful.

Front Suspension vs Full Suspension

Sensor type and suspension perform different jobs.

A pedal sensor controls motor assistance.

Suspension controls wheel and frame movement over uneven surfaces.

Hongtu Future’s single-suspension model uses a lockable front fork with a rigid rear frame, while the full-suspension version adds rear suspension to manage movement at both ends.

Building Different Product Levels

For OEM distributors, this creates useful product differentiation.

A range might include:

• Value-oriented cadence-sensor commuter
• Torque-sensor moped-style model
• Front-suspension fat-tire e-bike
• Full-suspension premium fat-tire e-bike

The products can target different customers without relying only on different motor wattages.

What Buyers Should Check in a Torque Sensor System

The words “torque sensor” on a specification sheet are not enough.

Buyers should evaluate how the complete assistance system actually performs.

Sensor Location

Ask where torque is measured.

Common locations can include:

• Bottom bracket
• Crank
• Rear axle
• Drivetrain components

Different systems use different measurement structures.

Sensor Sensitivity

The system should recognize meaningful changes in pedaling force without reacting excessively to small disturbances.

An overly sensitive setup can feel unstable.

A system that is not sensitive enough can feel delayed.

Controller Calibration

Controller tuning strongly affects the final ride.

The controller determines how measured pedal input becomes motor output.

Two bikes using similar sensors can feel different because their controller mappings are different.

Assistance Levels

Check how torque response changes across different pedal-assist modes.

For example, a low assistance mode may multiply rider input moderately, while a higher setting may provide much stronger electrical support.

The actual relationship depends on programming.

Test More Than One Assistance Level

Do not approve a sample after riding only in the highest mode.

Evaluate:

• Lowest assistance
• Middle assistance
• Highest assistance
• Start from rest
• Slow riding
• Normal cruising
• Pendakian bukit

This reveals whether the sensor behaves consistently across the full operating range.

Motor Power and Sensor Type Must Be Matched

Sensor selection should not happen separately from motor selection.

Lower-Power Urban E-Bikes

On a lower-power commuter platform, torque sensing can make assistance feel subtle and bicycle-like.

This may suit riders who still expect to pedal actively.

Higher-Power Lifestyle Models

On a larger moped-style or fat-tire bike, the same technology can serve another purpose: managing stronger power more progressively.

Hub Motor vs Mid-Drive

Torque sensing can appear in both hub-drive and mid-drive architectures depending on system design.

Mid-drive systems often integrate sensing around the crank or motor unit, while hub-motor systems may use separate bottom-bracket or axle-based sensing.

Neither architecture should be judged only by sensor type.

Controller Current

Controller current influences how much electrical power can be delivered.

A high-output controller combined with aggressive programming can make even a torque-sensing system feel very strong.

The motor, battery, controller, and sensor must therefore be evaluated together.

Battery Selection for Torque Sensor E-Bikes

Sensor technology does not change the fundamental role of the battery.

The battery must still supply energy for the motor and other electrical components.

Battery Energy

A useful basic calculation is:

Battery energy in Wh = voltage × amp-hour capacity

For the S7’s 48V 18Ah configuration, nominal stored energy is approximately 864Wh. Its torque-sensing system operates as part of this wider 48V electrical platform.

Battery Management

Lithium battery systems should use suitable protection and management for their chemistry and electrical requirements.

The U.S. Consumer Product Safety Commission continues to emphasize proper battery and charger use for micromobility products and warns against incompatible or modified lithium-ion battery systems. Its Micromobility Information Center provides current safety guidance for e-bikes and related products.

Sensor Efficiency Cannot Compensate for a Poor Battery

A sophisticated sensor cannot correct:

• Poor-quality cells
• Undersized battery capacity
• Incorrect BMS settings
• Incompatible charger
• Weak connectors
• Poor wiring
• Excessive controller demand

The electrical system should always be evaluated as a complete package.

Torque Sensor E-Bike Safety and Control

Sensor response has a direct relationship with vehicle behavior.

Predictable Assistance

Motor assistance should increase in a controlled and repeatable way.

Unexpected surges can reduce rider confidence, particularly during starts or low-speed maneuvers.

Brake Cut-Off

Depending on the vehicle configuration, brake levers may include motor cut-off switches.

These switches interrupt motor assistance when braking.

Buyers should verify how the braking and drive-control systems interact.

Hydraulic Braking

Higher-weight e-bikes often use hydraulic disc brakes because they can provide controlled braking with reduced cable-related adjustment.

The S7 uses hydraulic disc brakes on both the front and rear wheels as part of its current configuration.

Sensor Failure Behavior

Ask the supplier what happens if the torque sensor produces an abnormal signal.

The controller should have defined fault behavior rather than allowing uncontrolled assistance.

Include Sensor Checks in Quality Control

Pre-shipment testing should verify:

• Sensor startup
• Assistance response
• Different PAS levels
• Brake cut-off
• Display communication
• Controller faults
• Wiring
• Connector security

Torque Sensor vs Cadence Sensor for Different Riders

Choosing the best system becomes easier when the customer is clearly defined.

There Is No Universal Winner

A torque sensor is not automatically necessary for every low-cost city bicycle.

A cadence sensor is not automatically outdated.

The correct system depends on target customer expectations.

OEM Considerations for Torque Sensor E-Bikes

For private-label brands, sensor selection can become a meaningful point of differentiation.

Hongtu Future OEM and ODM customization can be used to coordinate electric bicycle configurations with target-market positioning.

Define the Riding Experience First

Before discussing components, determine whether the product should feel:

• Natural
• Powerful
• Relaxed
• Sport-oriented
• Utility-focused
• Premium
• Entry-level

Sensor selection should support that goal.

Tune Assistance Levels

A five-level assistance system should not simply provide five arbitrary power limits.

Each level should produce a logical progression.

For example, lower modes can emphasize rider effort, while higher modes provide stronger assistance.

Match Motor Output

A 250W urban bicycle, 750W fat-tire e-bike, and 1500W moped-style product should not necessarily use identical torque-response programming.

The stronger the motor, the more important controlled assistance can become.

Test Different Rider Weights

A lightweight rider and a heavier rider may apply different pedaling forces.

Sample testing should include a representative range of users.

Document the Approved Configuration

For mass production, record:

• Sensor model
• Sensor location
• Motor
• Controller
• Controller programming
• Display
• Assistance levels
• Battery
• Wiring
• Firmware version where applicable

If one component changes later, assistance behavior may also change.

Common Torque Sensor E-Bike Buying Mistakes

Choosing by the Sensor Name Alone

“Torque sensor” describes a technology category, not guaranteed ride quality.

Calibration and controller programming still matter.

Ignoring Motor Programming

A high-quality sensor connected to poorly tuned motor control may still feel abrupt.

Sample testing is essential.

Assuming Torque Sensors Always Save Battery

Energy consumption depends on riding conditions and rider behavior.

Compare real routes instead of relying on theoretical claims.

Comparing Motor Wattage Only

Motor wattage does not explain acceleration behavior.

Controller current and pedal-assist programming can produce significant differences.

Ignoring Vehicle Weight

A heavy fat-tire or moped-style bike requires more energy to accelerate than a lightweight commuter bike.

Sensor behavior should be tested on the actual finished vehicle.

Forgetting After-Sales Parts

Importers should confirm sensor and controller replacement availability.

A small unavailable electronic component can make an otherwise functional e-bike unusable.

Torque Sensor E-Bike Procurement Checklist

Before approving an order, confirm:

• Target customer
• Intended application
• Destination market
• Required legal vehicle category
• Motor rated power
• Motor type
• Tegangan pengontrol
• Arus pengontrol
• Torque sensor type
• Sensor location
• Sensor supplier
• Pedal-assist levels
• Assistance response at startup
• Assistance response on hills
• Assistance response at low speed
• Brake cut-off behavior
• Kecepatan terprogram maksimum
• Battery voltage
• Battery capacity
• Battery chemistry
• BMS
• Charger specification
• Dimensi ban
• Berat kendaraan
• Braking system
• Suspension
• Drivetrain
• Display
• Wiring and connectors
• Waterproofing
• Replacement sensor availability
• Replacement controller availability
• Panduan pengguna
• Diagnostic procedure
• Applicable certification
• Sample approval
• Pre-shipment testing

How This Article Supports Hongtu Future SEO

For a newly optimized website, a technical article should support more than one keyword.

This Torque Sensor E-Bike topic can strengthen semantic relevance around:

• torque sensor e-bike
• torque sensor electric bike
• torque sensor vs cadence sensor
• cadence sensor e-bike
• pedal assist sensor
• commuter e-bike
• moped style e-bike
• fat tire e-bike
• electric bicycle motor system

The most important internal link is the Commuter-Focused Moped Style E-Bike S7, because torque sensing is one of the product’s confirmed core specifications.

The article can also connect with the broader Lifestyle E-Bike category, which currently contains moped-style, single-suspension fat-tire, full-suspension fat-tire, and scooter-style models.

Related content should naturally include the existing Moped Style E-Bike Trends 2026 article rather than creating another page targeting the exact same broad keyword.

This creates a clearer topic structure:

The Moped Style E-Bike article covers the overall category and current trends.

This article focuses specifically on pedal-assist sensor technology.

The S7 product page handles transactional product intent.

The fat-tire product pages handle suspension and off-road configuration intent.

The OEM page handles customization and B2B manufacturing intent.

That separation helps reduce unnecessary keyword overlap while expanding the number of related searches the website can potentially address.

Kesimpulan

Torque sensors are becoming an increasingly useful differentiator as electric bicycles move beyond simple comparisons of motor power and battery capacity.

A Torque Sensor E-Bike measures rider effort and allows motor assistance to respond proportionally to pedaling force. This can create smoother starts, more progressive acceleration, more natural climbing support, and better control during changing riding conditions.

Cadence sensors still have an important place in the market.

Their simpler operation can be suitable for cost-conscious products and riders who want consistent electric assistance without needing the system to measure pedal pressure.

The correct choice therefore depends on the product.

For lightweight entry-level commuting, cadence sensing may be entirely appropriate.

For a premium commuter, moped-style model, fat-tire bike, or product where natural pedal response is a major selling point, torque sensing can provide a clearer technical advantage.

For B2B buyers, however, the most important lesson is that sensor type should never be evaluated alone.

Motor output, controller programming, battery capacity, tire size, gearing, brakes, vehicle weight, and rider expectations all contribute to the final result.

Hongtu Future E-Bike Gaya Moped S7 provides a current example of a torque-sensing system integrated with a 1500W motor, 48V 18Ah battery, hydraulic braking, and 20 × 4.5 wide tires.

For distributors building a broader portfolio, comparing sensor technologies alongside different Lifestyle E-Bike platforms can help create clearer entry-level, commuter, fat-tire, and premium product positions.

FAQ

What is a Torque Sensor E-Bike?

A Torque Sensor E-Bike measures how much force the rider applies to the pedals and adjusts motor assistance according to that effort. The harder the rider pedals, the more assistance the controller can provide within the selected riding mode and system limits.

Apakah sensor torsi lebih baik dari sensor irama?

A torque sensor generally provides more proportional and bicycle-like assistance, while a cadence sensor provides motor support primarily according to crank movement and selected assistance settings. The better choice depends on rider expectations, product positioning, motor power, and budget.

Does a torque sensor make an e-bike easier to ride uphill?

It can improve how assistance responds during climbing because increased pedal force can trigger stronger motor support. Actual hill performance still depends on motor power, controller current, battery voltage, gearing, total weight, tire size, and road gradient.

Does a Torque Sensor E-Bike have longer range?

Not automatically. Torque sensing may help reduce unnecessary motor assistance in some situations, but range is also affected by battery energy, riding speed, rider weight, terrain, tire pressure, temperature, motor efficiency, and assistance level.

Is a torque sensor useful on a fat tire e-bike?

It can be particularly useful because fat-tire e-bikes are often heavier and require more energy during acceleration. Progressive assistance can make starts and changing terrain easier to control, although the final riding experience depends on the complete electric drive system.

What is the difference between cadence and torque?

Cadence measures how quickly the pedals rotate. Torque measures the rotational force produced by the rider. A cadence sensor therefore detects pedal movement, while a torque sensor detects rider effort.

Is a torque sensor good for a moped-style e-bike?

Yes, it can be a useful choice for heavier moped-style products because it allows motor support to respond to actual pedal pressure. This can help create more progressive assistance when starting, climbing, or riding at low speed.

Can torque sensor sensitivity be customized?

Depending on the controller and drive system, manufacturers may be able to adjust assistance mapping, response strength, and pedal-assist levels. OEM buyers should define these settings during sample development and verify them before mass production.

What should I test before buying a Torque Sensor E-Bike in bulk?

Test low-speed starts, different assistance levels, hills, normal cruising, braking, rider weight changes, battery consumption, sensor consistency, controller response, and fault behavior. The exact approved sample should then be documented for production.

Is a torque sensor more expensive than a cadence sensor?

Torque-sensing systems are generally more complex and can add cost compared with simpler cadence-sensor systems. However, the actual price difference depends on sensor design, controller integration, supplier, motor system, and production volume.