Hitway BK9S Fat Tyre Electric Bike : The Future of Fun Today
SKU HW075-B9-01-0221
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48V, 15Ah battery, range of Up to 93 miles per charge. 26" Fat Tyres
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Hitway BK9S Fat Tyre Electric Bike : The Future of Fun Today
Product Details
Brand: HITWAY
Model: BK9S
Motor Power Rated: 250W
EPAC Modes (Pedal Assist): 3
Battery Voltage: 48V - 15Ah 720Wh
Battery Range: Up to 93 Miles
Battery Charging Time: 6-7 Hours
Mechanical Geared Bike: Yes - Shimano 7 Speed Derailleur Gears
Brake Type: Mechnical Disc Brakes 160mm
Suspension System: Front Fork (spring suspension), Rear Spring Shock Absorber
eBike Net Weight: 39.8 KG
HITWAY BK9S Fat Tyre Electric Bike (Fully UK Road Legal EPAC)
The HITWAY BK9S is built for riders who want an all-terrain capable eBike for commuting and adventures. It combines a high-capacity 48V 15Ah (720Wh) removable battery with a UK-legal 250W rear hub motor (manufacturer states peak 500W and 70Nm torque) and a Shimano 7-speed drivetrain, so you can ride comfortably across mixed surfaces.
With 26" × 4" fat tyres and a dual suspension setup (front + rear), the BK9S is designed to handle uneven paths, gravel, and rougher routes while keeping your ride stable and controlled. Pedal assist has three levels up to 15.5mph (25km/h), and the manufacturer states climbing capability of up to 25°.
BK9S at a glance
- Fully UK Road Legal EPAC: pedal assist (no throttle)
- Battery: 48V, 15Ah, 720Wh (removable, lockable)
- Range (claimed): 43–93 miles (70–150km)
- Charge time: 6–7 hours
- Motor: 250W rear hub (peak 500W), 70Nm torque (manufacturer stated)
- Top speed: 15.5mph (25km/h) assisted
- Tyres: 26" × 4" fat tyres
- Gears: Shimano 7-speed
- Display: Multifunction LCD with App
- Climb capability: up to 25° (manufacturer stated)
- Max rider weight: 120kg (19 st)
- Foldable: No
- Throttle: No
Range guide
| Assist level | Range (up to)* | Best for |
|---|---|---|
| Level 1 | Up to 93 miles | Longest distance / gentle support |
| Level 2 | Up to 63 miles | Balanced commuting |
| Level 3 | Up to 43 miles | More assistance for hills and stop-start riding |
*Manufacturer figures in ideal test conditions. Real-world range varies with rider weight, terrain, tyre pressure, temperature and riding style.
UK EPAC note: E-bikes must meet UK EAPC requirements to be used as an electrically assisted pedal cycle on public roads. Always follow UK rules and local guidance.
Need help choosing? WhatsApp 07387 386786 for advice on fit, setup, and collection options.
Key features – HITWAY BK9S
- Fully UK road legal EPAC: 3 pedal-assist levels up to 15.5mph (25km/h).
- Power + torque: 250W rear hub motor with 70Nm torque (manufacturer stated) for strong pull on varied terrain.
- High-capacity SAMSUNG battery: 48V 15Ah (720Wh) removable battery for longer rides.
- Fast daily charging: typical full charge 6–7 hours.
- All-terrain control: 26" × 4" fat tyres for grip and stability.
- Dual suspension comfort: front + rear suspension to reduce bumps and vibration.
- Shimano 7-speed: better cadence control on hills and longer routes.
- App + LCD: Multifunction LCD display with App connectivity.
- High payload: supports riders up to 120kg (19 st).
Who is it best for?
- Riders who want fat-tyre stability for mixed terrain (paths, gravel, rough roads)
- Commuters who need longer range from a 720Wh battery
- Heavier riders (up to 150kg) looking for a robust eBike platform
Technical specifications – HITWAY BK9S
- Model: HITWAY BK9S
- UK legal type: EPAC (pedal assist)
- Assist levels: 3
- Top assisted speed: 15.5mph (25km/h)
- Motor (rated): 250W rear hub
- Motor (peak): 500W (manufacturer stated)
- Max torque: 70Nm (manufacturer stated)
- Battery: 48V 15Ah (720Wh) SAMSUNG lithium-ion, removable, lockable
- Range (claimed): 43–93 miles (70–150km)
- Charging time: 6–7 hours
- Display: Multifunction LCD display with App
- Gears: Shimano 7-speed freewheel
- Brakes: disc brakes
- Tyres: 26" × 4" fat tyres
- Suspension: dual suspension (front + rear) (manufacturer stated)
- Climb capability: up to 25° (manufacturer stated)
- Max rider weight: 120kg (19 st)
- Foldable: No
- Throttle: No
Size & Fit (quick suitability check)
Recommended rider height
165–195 cm
165 cm195 cm
Tip: Compare your inside-leg measurement to the standover height range (below).
Key measurements
Wheel size
26"
Total length
192 cm
Handlebar height
110 cm
Standover
92–111 cm
Full measurements (approx.)
Total length
192 cm
Handlebar height
110 cm
Wheelbase
119 cm
Standover height
92–111 cm
Top tube length
59 cm
Handlebar length
66 cm
Wheel diameter
26"
Figures are manufacturer-provided and approximate. Fit depends on rider proportions and preferred riding position.
Size guide image (optional)
What’s included
- Part-assembled eBike (for safe transport)
- 48V 15Ah removable battery
- Dashboard display (LCD) + App support
- Battery lock keys (2 sets)
- Charger
- Basic tool set
Specifications are provided by the manufacturer and may vary slightly by production batch.
Why buy from eRIDEJUNCTION.COM?
- Specialist workshop in Birmingham: diagnostics, servicing, and repairs for eBikes and eScooters.
- Personalised expert advice: tailored recommendations to help you choose the right bike.
- Test rides: often possible (subject to availability of test ride models).
- Quick aftersales support: practical support 6 days a week.
- Local warranties and service: local support without the hassle of long return processes where possible.
- Support local community: buying locally supports jobs and services in Birmingham.
Local aftercare you can actually use
If you ever need help—brake adjustments, puncture repair, diagnostics, servicing—you can bring your eBike to our Birmingham workshop.
WhatsApp: 07387 386786
Price & support (why we may not be the cheapest)
Our pricing reflects that we’re a physical business with a Birmingham workshop and real aftersales support, not a drop-ship listing. If you need help after purchase, you can contact us and bring the bike to a local repair centre.
FAQ – HITWAY BK9S
Is the BK9S fully UK road legal?
Yes—this model is described as a Fully UK Road Legal EPAC (Electric Pedal Assist Cycle) with pedal assist up to 15.5mph (25km/h) and no throttle. Always follow current UK EAPC rules and local guidance.
Does it have a throttle?
No. The BK9S is pedal-assist only. The motor assists while you pedal using the three assist levels.
What range can I expect in real use?
The manufacturer states 43–93 miles depending on assist level and conditions. In real use, range varies with rider weight, terrain, tyre pressure, wind, temperature, and riding style. Fat tyres and off-road riding can reduce range compared with smooth roads.
How long does it take to charge?
Typical full charge time is 6–7 hours.
Is the battery removable and lockable?
Yes. The BK9S battery is removable and secured with an anti-theft lock, making indoor charging easier and improving security when parked.
Is it good for hills?
The manufacturer states 70Nm torque and a climb capability of up to 25°. Real hill performance depends on rider weight, tyre pressure, battery level, and how steep/long the climb is.
Is it comfortable on rough ground?
The BK9S uses 26" × 4" fat tyres and is described with a dual suspension setup, which helps absorb bumps and improves stability on mixed surfaces (paths, gravel, uneven roads).
Is any assembly required?
Yes. The bike arrives part-assembled for safe transport. Final setup is usually straightforward with included tools and instructions. If collecting in person, ask us about assembly options.
What rider height is it suitable for?
The size guide suggests 165–195 cm. Key fit numbers include standover height 92–111 cm. If you share your height and inside-leg measurement, we can help confirm suitability.
What is the maximum rider weight?
The manufacturer states 120kg maximum rider weight. For stability and braking safety, avoid exceeding the stated limit.
Can I ride without electric assistance?
Yes. You can ride it like a normal bike with assistance off. It has a Shimano 7-speed drivetrain, but it will feel heavier than a standard non-electric bicycle.
What maintenance should I expect?
Keep tyres inflated, check bolts, keep the drivetrain clean, and monitor brake pad wear. It’s normal to do a “settling-in” check after the first few rides (brake alignment, bolt tightness, tyre pressure). Our workshop can help with servicing and adjustments.
What warranty is included?
A 12-month warranty covers major electrical and mechanical components. After warranty, our Birmingham repair centre can continue to support servicing and repairs.
Still unsure? WhatsApp 07387 386786 and we’ll help confirm fit, setup, and the best option for your needs.
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