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S4 Electric Mountain Bike

S4 Electric Mountain Bike

Regular price $4,499.00 USD
Regular price $4,499.00 USD Sale price $4,499.00 USD
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The S4 Electric Mountain Bike frame is made of high-strength 6061 ALUMINUM Alloy, and dual suspensions and the rear seat suspension specializes in absorbing both rear-upward force and vibrations. While the front suspension fork ensures front stability. Both suspensions guarantee your safety in the toughest riding conditions.

The 26" X4.0" fat tires, make riding more stable to suit all road conditions, such as road, beach, snow, and mountain.

Powered by a 750W high-end mid-drive motor, there are no limits to your outdoor adventures with S4 Electric Mountain Bike!

Equipped with Shimano 9-gear shift system, the S4 Electric Mountain Bike provides the cycling speed in your adventure. Using this system accurately can increase the range of a single charge by up to 20%.

The design of the thumb throttle and hydraulic brakes performs perfectly on rough roads.


    Currently, we provide FREE shipping to the lower 50 states in the US.

    30-Day Return

    E-bikes from Ebikech are under FREE returns within 30 days of delivery (Your items will be free from operation fee, while shipping fee will still be included). To return an ebike that is not defective or damaged, please contact the customer service team within 30 days. Returns are NOT allowed after 30 days.

    2-Year Warranty

    All Ebikech bikes are covered under our manufacturer’s 2-year, all-inclusive warranty for the original owner against all manufacturing defects (all free accessories are not covered by warranty service).

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    Mid-drive Motor

    48V 18Ah

    Lithium-ion battery

    Max 25 MPH

    With Pedal Assist

    60 Miles

    Miles per Charge


    Recommended Height

    One of the most crucial decisions in buying a new bike is selecting the size that will work for you.The S4 Electric Mountain Bike is suitable for height:5'3"-6'5"

    Updated Motor

    Ebikech’s high-end mid-drive motor perfectly maintains the front and rear balance without affecting its exceptional vibration absorption performance.With 1100W of peak motor power, you can easily conquer the most rugged terrains.

    Superior Battery

    S4 Electric Mountain Bike combines the new Samsung battery technology with a 5000mAh single cell capacity in a smaller size but with larger diversity. A single charge can last up to 40 miles on pure electric power and 70+ miles with pedal assist. The battery will maintain 80% capacity after 1000 charges.


    Tackle the tough the sand, snow or road with ease.And the Frame is made of high-strength ALUMINUM Alloy, adjustable full suspension complete with an air-assisted, offers smooth cushioning and shock absorption when cycling on rough terrains, enjoying the stimulate during your ride.

    • 26"X4.0" ALL-TERRAIN TIRES

      The S4 Electric Mountain Bike is equipped with 26"x4," super versatile and puncture-resistant knobby fat tires for a stable and comfortable ride on a wide variety of terrains and conditions.


      The 9 speed gear shift system offers you more choice while riding in a variety of conditions. Along with the pedal-assist system, you can find the speed that suits your journey.


      Hydraulic brakes provide superior braking performance and durability. With proper maintenance, there won't be a decline in braking power for 3 years.


      Alloy front suspension ensures front stability. Both suspensions guarantee your safety in the toughest riding conditions.


      The rear seat suspension absorbs most pressure to offer you a comfortable, stable, and confident riding experience.


      Leather Saddle features a comfortable design specially made for pressure relief.

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    Battery 48V 18Ah Lithium-ion Cells

    Range 50–60 miles

    Motor 750W mid-drive motor

    Total Payload Capacity 400 lb.

    Recommended Rider Heights 5'3"-6'5"

    Charger US standard 3.0 A smart charger

    Controller 48V/20A

    Display Advanced colorful LCD display with cruise control

    Weight 71 lb.

    Pedal Assist Intelligent Cadence & Upgraded Torque Sensors


    Tires 26″ x 4.0″ fat tires

    Brake lever Aluminum alloy comfort grip levers with motor cutoff switch

    Rear Light Powered bike light

    Freewheel 9 speed gear shift system

    Brake hydraulic brakes

    Chain 9-SPEED STEEL SILVER Chains

    Front Fork Alloy air front suspension fork with oil pressure lockout

    Throttle Thumb throttle

    Pedal Alloy pedal with reflectors

    Bike Frame High-strength ALUMINUM Alloy frame

    Front Light 48V LED light

    Saddle Leather saddle

    Kickstand Aluminum Alloy

    Package Size: 25.7"*42.5"*76.5"


    A -- Total Length 75.6"

    B -- Handlebar Height 35.43"

    C -- Wheelbase 45.8"

    D1 -- Minimum Seat Height 30.2"

    D2 -- Maximum Seat Height 34.9"

    E -- Chain Stay Length 19.6"

    F -- Standover Height 30.7"

    G -- Top Tube Length 23.2"

    H -- Wheel Diameter 30.2"

    I -- Head Tube Length 5.3"

    J -- Handlebar Length 27.4"

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