A great e-bike is not defined by one component alone. The way it responds to your pedalling, manages power, absorbs bumps, displays riding information and handles braking all contribute to the overall riding experience.
That is why the HITWAY BK9S has received a series of meaningful upgrades across its power system, battery management, cockpit, suspension, braking and smart features.
From more natural torque-sensing assistance to an intelligent BMS, upgraded suspension and Bluetooth proximity unlocking, the new BK9S is designed to make every ride feel smoother, more comfortable and more intuitive.
Here is a closer look at what has changed.
BK9S Upgrades at a Glance
| Component | Previous Design | Upgraded Design |
|---|---|---|
| Battery Management | Hardware-based battery management | Software-based intelligent BMS |
| Controller | 3 assistance levels | 5 current-based assistance levels |
| Pedal Sensor | Speed sensor | Torque sensor |
| Display | XF001 display | XF007 full-colour display |
| Handlebar | Traditional riser handlebar | Integrated streamlined handlebar |
| Front Fork | Mechanical suspension | Air/oil spring suspension fork |
| Seatpost | Rigid seatpost | Pneumatic seatpost |
| Brakes | Mechanical disc brakes | Hydraulic disc brakes |
| Derailleur Protection | No dedicated guard | Added derailleur guard |
| Unlocking | NFC or manual APP unlocking | Bluetooth proximity unlocking |
These upgrades go beyond changing individual components. Together, they reshape how the BK9S responds, rides and interacts with the rider.
From Speed Sensing to More Natural Torque-Sensing Assistance
One of the most important changes to the BK9S is the move from a traditional speed sensor to a torque sensor.
Previous Design: Speed Sensor
The previous system relied on speed-based sensing to determine when electric assistance should be delivered.
While functional, this type of system reacts mainly to movement rather than directly measuring how much effort the rider is putting into the pedals. This can make assistance feel less closely connected to the rider’s actual pedalling input.
Upgraded Design: Torque Sensor
The upgraded BK9S uses torque sensing to detect pedalling force more precisely.
Instead of simply responding to speed, the system can better understand how hard you are pedalling and adjust assistance accordingly.
Pedal harder and the system provides stronger support. Apply less force and the assistance becomes gentler.
The result is a more natural connection between your pedalling and the motor.
Whether you are starting from a standstill, accelerating or climbing, assistance can follow your input more closely, helping to create smoother and more linear power delivery.
With the upgraded control system working alongside torque sensing, response speed is improved by 30%.
The change is simple to understand:Your pedalling determines how the bike responds.
From Basic Battery Protection to Intelligent Battery Management
The BK9S continues to use a Samsung battery, while the way the battery is managed has become considerably smarter.
The key change is the move from hardware-based battery protection to a software-based intelligent Battery Management System.
Previous Design: Hardware-Based Battery Management
The previous system focused primarily on fundamental battery protection.
It provided the essential foundation for battery operation, but offered more limited capabilities for actively monitoring and managing battery information.
Upgraded Design: Intelligent BMS
The new software-based BMS takes a more active approach to battery management.
It can monitor important battery information such as cell voltage, temperature and charge/discharge data while supporting more accurate SOC estimation.
This means the system can provide a clearer picture of the battery’s actual state of charge rather than relying on simpler battery-level calculations.
Smarter Cell Balancing
The intelligent BMS also supports cell balancing.
By helping individual cells operate more consistently, the system can make better use of the battery pack’s available capacity.
The upgraded system is designed to improve capacity utilisation, with the battery management upgrade supporting a 10%–20% improvement in range through optimised cell balancing.
It also helps prevent individual cells from ageing prematurely and reduces the impact of deep discharge. According to the upgrade specifications, overall battery service life can be extended by more than 30%.
Easier Battery Diagnosis
The BMS can also record and communicate battery information, including cell voltage, temperature, charge/discharge cycles and fault information.
This makes battery status easier to understand and gives the system a stronger foundation for diagnostics and after-sales troubleshooting.
It is a shift from basic protection towards active, intelligent battery management.
From 3 Assistance Levels to 5-Level Intelligent Power Control
Torque sensing is only one part of the upgraded power experience.
The BK9S controller has also moved from a traditional three-level system to five current-based assistance levels.
Previous Design: 3 Assistance Levels
The previous controller offered three assistance levels.
This provided basic adjustment between different levels of motor support, but offered fewer steps for riders to fine-tune how much assistance they wanted.
Upgraded Design: 5 Assistance Levels
The new controller uses five current-based levels to provide finer control over motor assistance.
Rather than simply relying on fixed speed-based stages, the system adjusts power through different current levels.
This gives riders more flexibility to choose an assistance level that better suits the situation — whether riding steadily on a flat road, starting from a stop or tackling a climb.
More importantly, the controller does not work alone.
The 5-level controller, torque sensor and intelligent BMS work together to create a more coordinated power system.
The result is finer control, smoother power delivery and a riding experience that feels more closely connected to your own pedalling.
From a Traditional Cockpit to a Cleaner, Smarter Design
Some BK9S upgrades can be felt immediately. Others can be seen the moment you sit on the bike.
The cockpit is one of the most visible changes.
The previous combination of a traditional handlebar and XF001 display has been replaced by an integrated streamlined handlebar and the new XF007 full-colour display.
From XF001 to XF007 Full-Colour Display
The upgraded XF007 display uses a bright full-colour screen designed to keep key riding information clear and easy to read, including in bright outdoor conditions.
Information is organised more clearly so that riders can check important riding data at a glance.
A dedicated HITWAY start-up animation also gives the interface a more distinctive and modern feel from the moment the bike is switched on.
From a Traditional Handlebar to an Integrated Design
The new display is paired with a customised streamlined integrated handlebar.
Rather than treating the handlebar, display and cables as separate visual elements, the upgraded design brings them together into a cleaner cockpit.
Internal cable routing helps reduce visible wiring, while the streamlined shape gives the front of the BK9S a more integrated appearance.
It is an upgrade that combines function, organisation and design in one of the areas riders interact with most.
More Comfort with Upgraded Suspension
Power is important, but comfort becomes just as important when the road gets rough or the journey gets longer.
For the upgraded BK9S, comfort improvements come from both the front of the bike and beneath the rider.
From Mechanical Suspension to an Air/Oil Spring Fork
The previous BK9S used a mechanical suspension fork.
The upgraded model moves to an air/oil spring suspension fork, providing greater adjustability for different riders and riding conditions.
The suspension can be adjusted according to factors such as rider weight and riding environment, helping riders find a setup that better suits their needs.
Whether you are looking for more efficient support on smoother sections or better shock absorption over uneven surfaces, the adjustable suspension gives you greater control over how the front end responds.
From a Rigid Seatpost to Pneumatic Suspension
Comfort has also been upgraded at the seatpost.
Instead of a rigid seatpost with no dedicated suspension, the new BK9S features a pneumatic seatpost with an integrated air-spring system.
It helps absorb vertical vibrations and impacts transmitted from the road before they reach the rider.
That becomes particularly valuable over uneven surfaces and during longer rides, where repeated bumps can have a noticeable effect on comfort.
With suspension working at both the front fork and seatpost, the upgraded BK9S is better equipped to smooth out changing road conditions.
From Mechanical Brakes to Hydraulic Braking and Better Protection
The BK9S also receives important upgrades in braking and component protection.
From Mechanical to Hydraulic Disc Brakes
The previous mechanical disc brake system has been replaced by hydraulic disc brakes.
Hydraulic braking provides stronger and more linear braking performance, giving riders finer control over how much braking force they apply.
The system also offers improved heat dissipation, helping maintain more consistent braking performance during demanding situations such as longer downhill sections.
The goal is not simply stronger braking.
It is about making braking feel more controlled, more progressive and more predictable.
Added Derailleur Protection
The upgraded BK9S also introduces a dedicated derailleur guard.
It is a relatively small component, but one with a very practical purpose.
If the bike accidentally falls onto its side, the guard is designed to take the impact first, helping prevent the derailleur from making direct contact with the ground.
This additional physical barrier helps reduce the risk of accidental damage to an important part of the drivetrain.
Sometimes, a meaningful upgrade is not about adding more technology — it is simply about protecting the components you already rely on.
From Manual Unlocking to Bluetooth Proximity Unlocking
The final major upgrade changes something riders may do every time they use the bike: unlocking it.
Previous Design: NFC or Manual APP Unlocking
The previous system relied on NFC or manually opening the APP to unlock the bike.
Both methods work, but they still require an additional action from the rider.
Upgraded Design: Bluetooth Proximity Unlocking
The upgraded system introduces Bluetooth-based proximity recognition.
In the HITWAY APP, add and enable the Bluetooth proximity unlock function. When your phone is nearby, the system can detect the Bluetooth signal when you approach the bicycle and automatically unlock it.
When you move away, the system can automatically secure the bike again.
There is no need to repeatedly take out your phone and manually operate the unlocking function.
The system can complete unlocking within 0.5 seconds, making access to the BK9S faster and more seamless.
Approach. Connect. Unlock. Ride.
It is a small interaction that can make everyday use feel considerably more convenient.
What Do These Upgrades Mean for Your Ride?
Looking at each component individually only tells part of the story.
The real difference comes from how these upgrades work together.
More Natural
The torque sensor responds to your pedalling force, while 5-level power control gives you finer adjustment over assistance. The result is power delivery that feels more closely connected to how you actually ride.
More Intelligent
The software-based intelligent BMS goes beyond basic battery protection by actively monitoring battery information, supporting cell balancing and enabling fault diagnosis.
More Comfortable
An air/oil spring suspension fork works together with a pneumatic seatpost to reduce the impact of uneven surfaces from both ends of the bike.
More Controlled
Hydraulic disc brakes provide stronger, more progressive braking, while the derailleur guard adds practical protection for an important drivetrain component.
More Convenient
The XF007 full-colour display, integrated cockpit and Bluetooth proximity unlocking make everyday interaction with the BK9S simpler and more modern.
More Than an Upgrade — A More Complete BK9S
The upgraded HITWAY BK9S is not defined by one new component.
It is about improving the entire connection between the rider and the bike.
How the bike senses your pedalling.
How it delivers assistance.
How it manages the battery.
How it absorbs bumps.
How it responds when you brake.
And even how you unlock it before starting your journey.
Torque sensing and 5-level power control make assistance feel more connected to your input. Intelligent battery management adds a smarter foundation behind the power system. Upgraded suspension improves comfort, while hydraulic braking provides more controlled stopping performance.
At the same time, the integrated cockpit and Bluetooth proximity unlocking make the BK9S feel more modern and intuitive in everyday use.
Together, these changes create a BK9S that is designed to feel: More natural. More comfortable. More controlled. More intelligent.
HITWAY BK9S
Smarter Power, Greater Comfort & More Natural Riding
Torque Sensor · Smart BMS · Hydraulic Disc Brakes · Upgraded Suspension
FAQ
What are the main upgrades to the HITWAY BK9S?
The upgraded HITWAY BK9S introduces changes across the power system, battery management, cockpit, suspension, braking, component protection and smart unlocking. Major upgrades include a torque sensor, 5-level current-based power control, intelligent BMS, XF007 full-colour display, integrated handlebar, air/oil suspension fork, pneumatic seatpost, hydraulic disc brakes, derailleur guard and Bluetooth proximity unlocking.
Does the upgraded BK9S use a torque sensor?
Yes. The upgraded BK9S moves from speed sensing to torque sensing. The torque sensor detects how much force you apply to the pedals and allows the system to adjust assistance more closely to your riding input. Pedalling harder results in stronger assistance, helping create a smoother and more natural riding experience.
What is the difference between 3-level and 5-level assistance?
The previous system offered three assistance levels, while the upgraded BK9S uses five current-based assistance levels. Having five levels provides finer adjustment of motor support, giving riders more flexibility to select the amount of assistance that suits different riding conditions.
What does the intelligent BMS do?
The intelligent BMS actively monitors and manages battery information such as cell voltage, temperature and charge/discharge data. It also supports more accurate SOC estimation, cell balancing, fault diagnosis, battery communication and fault log recording, creating a more intelligent approach to battery management.
What suspension upgrades does the BK9S have?
The BK9S upgrades both the front fork and seatpost. The previous mechanical suspension fork has been replaced by an adjustable air/oil spring suspension fork, while the rigid seatpost has been replaced by a pneumatic seatpost. Together, these components help absorb vibrations and impacts from uneven surfaces for a more comfortable ride.
Does the upgraded BK9S have hydraulic disc brakes?
Yes. The braking system has been upgraded from mechanical disc brakes to hydraulic disc brakes. The hydraulic system provides stronger and more linear braking performance while giving riders more precise control over braking force.
How does Bluetooth proximity unlocking work?
Bluetooth proximity unlocking must first be added and enabled in the HITWAY APP. Once the feature has been configured and the smartphone is paired, bring the phone close to the bike’s display. The system can then recognise the phone through Bluetooth and unlock the bike without requiring the same manual unlocking process each time. In simple terms: Set up the feature in the APP → Bring the paired phone close to the display → Unlock and ride.
Can the upgraded torque sensor and BMS help improve riding range?
Yes. The upgraded torque-sensing system and intelligent BMS can work together to improve how efficiently the BK9S uses and manages its available battery energy. The torque sensor allows assistance to respond more precisely to the rider’s actual pedalling effort. When less support is needed, the system can provide more controlled assistance rather than delivering unnecessary power.
At the same time, the intelligent BMS continuously monitors and manages the battery system, including cell balancing, voltage, current and temperature. By combining more precise assistance with more intelligent battery management, the upgraded system can improve overall energy efficiency and help increase practical riding range compared with the previous system.
Actual range will still vary depending on factors such as rider weight, assistance level, terrain, temperature and riding conditions.