E-Movement Thunder V4.2 Electric Mountain Bike 250W/500W

Introducing the Thunder V4.2 – e movement’s Premier Electric Mountain Bike

eTired of ordinary road e-bikes? The Thunder V4 makes its return in version 4.2, boasting refreshed colours, upgraded specifications, and unbeatable value. Designed for riders who seek adventure beyond limits, this eMTB delivers outstanding performance whether tackling rugged mountain trails or gliding smoothly on tarmac.

Available in three striking finishes – Black, Sand (a refined beige), and Dune (a vibrant orange) – the Thunder V4.2 strikes the perfect balance of style and function. Stock is limited, so secure yours today and experienc the difference.

Versatility Without Limits: All-Terrain eMTB

The Thunder V4.2 is built for adaptability. From weaving through busy streets to powering up remote mountain paths, this e-bike is a reliable partner for every terrain. Its design combines agility with strength, ensuring that every ride feels like an adventure waiting to unfold.

Smooth Control: Hardtail Front Suspension

Equipped with a hardtail suspension system, the Thunder offers the ideal balance of comfort and efficiency. The rigid rear provides maximum power transfer, while the front suspension absorbs shocks from rocky trails and uneven ground. Expect improved handling, stability, and reduced maintenance, making it the ideal choice for both off-road exploration and everyday use.

Powered for Performance: 48V Rear Hub Brushless Motor

At its core, the Thunder V4.2 features a rear hub brushless motor, available in two versions:

• 250W (UK Road-Legal) – Perfect for everyday rides and lighter terrain.
• 500W – Built for off-road adventures and tougher climbs, with greater torque and trail capability.

The brushless design ensures quiet operation, smoother acceleration, and improved efficiency, transforming every ride into a seamless experience.

Reliable Range: 48V 10.5Ah Integrated Battery

Fitted with a premium Samsung/Panasonic cell battery, seamlessly integrated into the down tube, the Thunder provides long-lasting power and a sleek, balanced design. With rapid charging, consistent output, and protection against capacity loss, you’ll enjoy extended rides with confidence.

Digital Control: Colour Display with Throttle Function

Stay connected with the advanced T6 colour display, showing key riding stats at a glance. For additional flexibility, the throttle can be engaged when needed – perfect for steep climbs or tough terrain.

Strength in Design: Aluminium 6061 Frame

Built from lightweight yet durable Aluminium 6061, the hardtail frame is engineered for resilience. Supporting riders up to 150kg, it delivers strength without compromising manoeuvrability – making it one of the most robust yet versatile electric mountain bikes available.

Grip Every Terrain: 26x4" Fat Tyres

The Thunder V4.2 is fitted with 26x4-inch all-terrain tyres, designed with 120 TPI for enhanced durability and suppleness. From gravel and mud to sand and city streets, their wide contact surface ensures superior traction, control, and stability. Reinforced with puncture resistance, these tyres keep you riding without worry.

Precision Gearing: Shimano 7/8-Speed

Equipped with Shimano 7S/8S gears, the Thunder guarantees smooth and reliable shifting across gradients, descents, and flat ground. Built for durability and efficiency, the gearing system makes every ride adaptable and enjoyable, whether you’re cruising or tackling technical trails.

Stop with Confidence: Hydraulic Disc Brakes

For safety and control, the Thunder features hydraulic disc brakes offering consistent stopping power in all conditions. From sharp descents to sudden halts in traffic, you can ride with assurance knowing your braking is responsive and fade-resistant.

Complete Riding Package: Complimentary Accessories

The Thunder V4.2 comes with a host of practical extras at no additional cost, including front and rear lights, a sturdy lock, kickstand, toolkit, and optional fenders (subject to availability). Every detail is considered to enhance your riding experience.

A New Standard in Electric Mountain Bikes

The Thunder V4.2 isn’t just an e-bike – it’s a statement of power, design, and versatility. Perfectly blending rugged off-road capability with urban readiness, it’s one of the best-value eMTBs available today. Don’t miss out – order yours while stock lasts.

Legal Guide for 500W Variant

The 500w variant of this eBike has a motor output exceeding 250w and speed assistance exceeding 15.5mph. This eBike cannot be used on UK public roads without first obtaining type approval, insurance, tax, displaying a number plate and undergoing an MOT. In the UK, only eBikes that comply with EAPC Regulations can be used on UK public roads without tax, insurance or registration. You can find out more about EAPC Regulations here: https://www.gov.uk/electric-bike-rules. If you purchase this eBike, it can only be used off-road on private land unless you obtain type approval, insurance, tax, display a number plate and an MOT. For the avoidance of doubt, you will be responsible for obtaining such type approval, insurance, tax, registration and MOT. If you are purchasing an eBike from outside of the UK, you are responsible for checking and complying with the applicable laws and regulations relating to eBike use in your jurisdiction and where you intend to use the eBike.

Motor Power: 250W (UK Road-Legal) | 500W (Off-Road Use)
Minimum Rider Height: 5’5”
Battery: 48V 10.5Ah Panasonic/Samsung Cells
Charger: Input 100–240V | Output 54.6V, 2A, 2.1mm Connector, Type “C”
Display: Full-Colour Screen
Weight: Battery – 2.8kg | Bike – 22.5kg | Rear Rack – 2kg
Wheel Size: 26 x 4-inch
Tyres: 120 TPI All-Terrain, Puncture-Resistant
Inner Tube: Yes
Front Suspension: Hydraulic, Lockable
Rear Suspension: No
Throttle: Yes (Optional without for EAPC compliance - you will be contacted after your order to confirm your preference)
Frame Type: Hardtail, Fat-Wheel Mountain Bike
Gears: Shimano 7-Speed / 8-Speed
Folding: No
Frame Material: Aluminium 6061
Colours: Matte Black | Dune (Matte Orange) | Sand (Matte Beige/Brown)
Brakes: Hydraulic Disc Brakes – 160mm Rotors
Included Accessories: Front Light, Rear Light, Lock, Fender*, Rear Rack*, Tool Kit, Kickstand
(*subject to availability)
Maximum Rider Weight: 120kg

All E-Movement e-bikes are delivered fully assembled in 2-4 days.

Suitable for riders 5’5”+

Every e-bike from E-Movement includes a one-year manufacturer's warranty on all electrical components (or 5000 miles - whichever comes first) and a four-year manufacturer's warranty on the frame (or 20,000 miles - whichever comes first).

Since they operate directly from the UK, you won’t have to wait long for support.

Please note that free accessories and punctures, tyres, and pedals are not covered under warranty. E-movements electric bikes are designed for personal use only, not for commercial purposes. Using them for deliveries without notifying us and purchasing a special warranty package will void your warranty.

For any questions regarding this, please contact us on info@bikeyardonline.co.uk

We’ve got you covered with a range of payment options. Every transaction is secured with industry-standard encryption, so you can shop with confidence. Take a look at the options below:

Buyline Finance - 0% APR Over Up To 11 Months

With Buyline Finance, you can spread the cost of your new wheels across up to 11 monthly payments with 0% APR. Simply choose between 6, 9, 10, or 11 month payment plans and select the deposit you wish to pay (between 0-50%).

For further information or to order with this option, you can find our dedicated page here.

Other Ways To Pay

We accept all major credit/debit cards, PayPal, Klarna, and even Bank Transfer.

PayPal

Paying with PayPal is simple, quick, and secure. Just select PayPal at checkout to order. We receive instant payment confirmation, allowing us to process your order without delay.

Klarna

Klarna’s "Pay Later" lets you receive your order upfront and pay within a set period (usually between 2 weeks and 2 months) with no interest or fees. In their app, you can pay early or extend the due date if needed.

Klarna also offers "Pay in 3" which splits the total into three equal interest-free instalments.

Bank Transfer

Want a further discount on your purchase? Save an additional 2% on all orders when you pay by bank transfer. Just let us know which model you're after, and we will send you an invoice with the discount already applied.

Score big with the Cycle to Work scheme

If your employer’s already signed up (or is ready to join), you can save up to 47% on any of our road-legal electric bikes and spread the payments (along with accessories!) It's a brilliant way to get an e-bike without breaking the bank!

Important note: Only bikes meeting EAPC regulations and with motors offering a maximum continuous rated power output up to 250W are eligible for the scheme.

Got your voucher sorted?

If you've already got your cycle to work voucher (also known as a certificate or letter of collection (LOC)), just shoot it over to us at info@bikeyardonline.co.uk.

Once we’ve got your voucher, we’ll get your new e-bike rolling. We’ll also guide you through the process and keep you updated with tracking info once it’s on the way!

Not got your voucher yet?

If your workplace is signed up but you don’t have a voucher in hand, no worries! Ask your employer to request a voucher based on the bike you want. Once they’ve sorted it, send it our way and we’ll handle everything from there.

Employer not signed up to a scheme?

Not a problem! Reach out to us, and we can even help them sign up to one quickly and with no up-front cost.

Learn more about our Cycle to Work schemes

Need more info? Click here to explore how the Cycle to Work scheme works. You can also contact our friendly team - we're always happy to help!

In the UK, only e-bikes that comply with EAPC regulations can be ridden on public roads without tax, insurance, or registration. You can find out more about the EAPC Regulations from our legal guide here, or via the government website.

For any questions regarding this, please reach out to us on info@bikeyardonline.co.uk and we will be happy to assist.