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Ecotric 48V Electric Bike Seagull Mountain Bike - Matte Black - NS-SEA26S900-MB

🏍 Goes Up To 20 MPH!

⏪ 30 Day Return Policy!

🚚 FREE Shipping in 2-3 Days!

📝 18-Month FULL Manufacturers Warranty!

Original Price $1,259.99 - Original Price $1,259.99
Original Price $1,259.99
$1,259.99 - $1,259.99
Current Price $1,259.99

Introducing the Ecotric 48V Electric Bike Seagull Mountain Bike - Matte Black - NS-SEA26S900-MB

Unleash the Freedom of Electric Cycling

With the Ecotric Seagull Electric Mountain Bicycle, you'll experience a new level of freedom and adventure. This cutting-edge electric bike offers a seamless blend of elegance and performance, allowing you to soar through your daily commute or explore the great outdoors with ease. The Seagull's sleek and sturdy design, inspired by the grace of a seagull in flight, sets it apart from the crowd. In this comprehensive product description, we will delve into the remarkable features that make the Ecotric Seagull Electric Mountain Bicycle an exceptional choice for riders of all levels.

Powerful 48V Lithium-Ion Battery

At the heart of the Ecotric Seagull Electric Mountain Bicycle is its robust 48V lithium-ion battery, delivering a potent punch of power that propels you effortlessly. This high-capacity battery is designed for endurance, ensuring that you can cover long distances on a single charge. Whether you're commuting to work or embarking on an extended adventure, you can rely on the Seagull's battery to keep you going.

The lithium-ion battery is not only powerful but also efficient, offering a longer lifespan compared to traditional batteries. With its quick charging capabilities, you can spend more time riding and less time waiting. It's the perfect companion for those who seek a reliable and energy-efficient electric bike.

Impressive Motor Performance

Complementing the Seagull's powerful battery is its high-torque rear hub motor, which provides responsive acceleration and smooth, effortless riding. This motor is specifically designed for mountain biking and offers the flexibility to tackle steep inclines and challenging terrains with ease.

With a top speed of up to 20 miles per hour, the Ecotric Seagull Electric Mountain Bicycle allows you to breeze through your daily commute or explore trails at a thrilling pace. The motor operates quietly, ensuring a peaceful and uninterrupted riding experience while still delivering the performance you need.

Seagull-Inspired Design

The Ecotric Seagull Electric Mountain Bicycle is not just a mode of transportation; it's a work of art. Its unique design draws inspiration from the majestic seagull, with a straight sloping upper tube that mimics the bird's poised wings ready for takeoff. The matte black finish adds a touch of elegance, making the Seagull a head-turning masterpiece.

Beyond its aesthetics, the Seagull's design serves a functional purpose. The sloping top tube allows for easy mounting and dismounting, ensuring a comfortable and hassle-free riding experience for riders of all sizes. It's a marriage of form and function that truly sets this electric bike apart.

Front Suspension for a Smooth Ride

Riding the Ecotric Seagull Electric Mountain Bicycle is an experience in itself, thanks to its front suspension fork. This high-quality suspension system absorbs shocks and vibrations from the road or trail, providing you with a remarkably smooth and comfortable ride.

Whether you encounter bumps, potholes, or rough terrain, the Seagull's front suspension ensures that you glide over obstacles with ease. This feature is particularly valuable when exploring off-road trails, where comfort and control are essential for an enjoyable adventure.

Premium Braking System

Safety is a top priority when it comes to electric bikes, and the Ecotric Seagull Electric Mountain Bicycle doesn't disappoint. It's equipped with a high-performance braking system, featuring both front and rear disc brakes. These brakes provide exceptional stopping power and control, allowing you to confidently navigate various riding conditions.

Whether you need to come to a sudden stop in city traffic or manage your speed while descending steep hills, the Seagull's brakes offer reliable and precise braking performance. Your safety and peace of mind are assured, even during challenging riding scenarios.

Versatile Riding Modes

The Ecotric Seagull Electric Mountain Bicycle offers multiple riding modes to cater to your preferences and needs. You can choose between pedal-assist mode, throttle-only mode, or a combination of both. Pedal-assist mode provides you with an extra boost of power as you pedal, making it ideal for longer rides or hilly terrain. Alternatively, you can use the throttle-only mode for effortless cruising or when you need a break from pedaling.

Having the flexibility to switch between these modes allows you to tailor your riding experience to your fitness level and terrain conditions. It's like having a customized ride at your fingertips.

High-Quality Components

To ensure the longevity and reliability of the Seagull, Ecotric has incorporated high-quality components throughout the bike. From the durable frame to the responsive Shimano 7-speed gear system, every part is designed for performance and endurance. The Seagull is built to withstand the rigors of daily use and demanding trails, making it a smart investment for both casual riders and outdoor enthusiasts.

The Shimano 7-speed gear system provides a wide range of options for tackling various terrains, allowing you to easily shift gears to maintain your desired speed and cadence. Whether you're climbing steep hills or cruising on flat roads, the Seagull's gear system ensures a smooth and efficient ride.

LCD Display and Control Panel

Stay informed and in control with the Seagull's LCD display and intuitive control panel. The display provides essential information such as speed, distance, battery level, and riding mode, allowing you to track your progress and manage your energy usage effectively.

The control panel allows you to make quick adjustments to your riding experience. You can easily switch between riding modes, adjust pedal-assist levels, and control the bike's lights. It's a user-friendly interface that enhances your overall riding experience and keeps you connected with your bike's performance.

Ergonomic Comfort

Ecotric understands that comfort is crucial for an enjoyable ride. That's why the Seagull Electric Mountain Bicycle features ergonomic design elements that prioritize your well-being. The saddle is designed for comfort during long rides, and the handlebars are positioned to reduce strain on your wrists and shoulders.

Additionally, the Seagull's frame geometry promotes an upright riding position, reducing fatigue and ensuring a comfortable posture. Whether you're commuting to work or embarking on a weekend adventure, you'll appreciate the thoughtfully designed ergonomic features that enhance your riding experience.

Eco-Friendly Transportation

Choosing the Ecotric Seagull Electric Mountain Bicycle is not only a decision for personal enjoyment but also a commitment to eco-friendly transportation. By opting for an electric bike, you're reducing your carbon footprint and contributing to a cleaner and greener environment.

Electric bikes are an environmentally responsible mode of transportation that reduces the reliance on fossil fuels and minimizes air pollution. With the Seagull, you can enjoy the benefits of electric cycling while making a positive impact on the planet.

Easy Assembly and Maintenance

The Ecotric Seagull Electric Mountain Bicycle is designed with user convenience in mind. It comes partially assembled, and the remaining assembly steps are straightforward and well-documented. You don't need advanced mechanical skills to put your Seagull together, and the included instructions make the process hassle-free.

Furthermore, maintenance is made easy with readily available replacement parts and Ecotric's commitment to customer support. Regular maintenance checks, such as tire inflation and brake adjustments, can be performed without specialized tools, ensuring that your Seagull remains in peak condition.

Exceptional Value for Money

When you invest in the Ecotric Seagull Electric Mountain Bicycle, you're not just buying a bike; you're investing in years of enjoyable rides, adventures, and eco-friendly transportation. With its competitive price point, the Seagull offers exceptional value for money, making it an accessible choice for a wide range of riders.

Considering the high-quality components, powerful motor, and long-lasting battery, the Seagull stands out as a cost-effective option in the electric bike market. It provides all the features and performance you need without breaking the bank.

The Ecotric 48V Electric Bike Seagull Mountain Bike - Matte Black - NS-SEA26S900-MB is a remarkable electric bike that embodies the essence of freedom and adventure. With its powerful battery, high-performance motor, seagull-inspired design, and an array of premium features, it's a standout choice for riders seeking a versatile and enjoyable cycling experience.

Whether you're using it for your daily commute, embarking on thrilling outdoor adventures, or simply enjoying leisurely rides, the Seagull offers the perfect blend of power, comfort, and style. Its eco-friendly design and exceptional value for money make it a smart and responsible choice for individuals looking to embrace the future of transportation.

Elevate your riding experience and embark on a journey of elegance and freedom with the Ecotric Seagull Electric Mountain Bicycle. It's time to spread your wings and explore the world like never before. Choose the Seagull, and let your cycling dreams take flight.

Take You To Explore The Infinite Possibilities

  • Hillside
  • Snowfield
  • Macadam

48V 1000W Gear Motor

  • Brushless toothed 1000W Rear Hub Motor
  • Pure electric power mileage : over 25 miles

48V/13 AH Lithium Battery

  • 48V/13 AH Removable Lithium Battery, so you can bring the battery to your home or office to recharge
  • Charging time: Appro 6-8 hours
  • Battery lock and power lock function
  • 20A guard plate
  • Reflector is included

Front Fork Suspension

  • Hydraulic front fork suspension
  • Tire: 26*2.125, Inner tube: 26*2.125
  • Valve stem: American standard size
  • Attached: valve cap

Disc Brake

  • Outage braking system and Hydraulic Disc brake, work along both lines, provide security for your trip.
  • Come with pedal assist and walk assist model
  • Shimano External 7 Speed Gear

Brake sensor

  • The battery tail light will light up immediately after braking, making it safer to ride with you
  • There is a sensor next to the battery, which can intelligently detect the external light. If the external light is very dark, the light will be turned on intelligently


General Ecotric Electric Bike Information

Model Size 1860*630*1050mm
Weight Capacity 265lbs
Weight With Battery  65lb

Electrical And Power

Battery 48V 13AH
Motor Rear Hub 48V 1000W
Charging Time 6-8 Hours
Display Ecotric Smart LCD
Sensor Speed Sensor
Battery Life 400-600 Cycles
Functions Pedal Assist On-Demand Throttle



Front Break Hydraulic Disc 160mm Rotor
Rear Break Hydraulic Disc 160mm Rotor
Derailleur 7 Speed SHIMANO
Frame Aluminum Alloy
Tires 26×2.125‘ Tires
Fenders Optional
Break System  Left Brake For Rear/Right Brake For Front


Packing List

  • 1 x Ecotric Seagull Electric Mountain Bicycle - Matt Black
  • 1 x Lithium-Ion Battery
  • 1 x Kit Box
  • 2 x Pedals
  • 1 x Display
  • 2 x Keys
  • 1 x Tool Kit
  • 2 x Reflectors
  • 1 x Owner’s User Manual

FREE Shipping in 48 States!

Shipping takes 2-3 business days on most orders, with a max of 6-8 business days for more off beat addresses.

ALL of our Orders are Shipped from our Warehouses right here in the USA!

Ecotric Electric Bikes are Shipped 95% assembled! Simply mount the front wheel, set the handlebars, and screw in the pedals. Then enjoy the ride!

FREE Shipping is offered through UPS, FEDEX & USPS.

Spare parts typically ship via USPS, while ebikes and batteries typically ship via UPS or FedEx

If a wrong or insufficient shipping address is porvided, you will be responsible for the second shipping cost.

As soon as your bike has shipped, you will receive an email with Tracking Number allowing you to see the scheduled delivery time to your exact adderss.

Pick Up from Oakland, CA Warehouse...
If you wish to pick up your order directly from the warehouse, please contact us to set up a pick-up date and time via email

Ecotric Return Policy

  1. Ecotric Electric Bicycle Return Policy allows you to return or exchange your electric bicycle once within 30 days start from the date of receiving the bike. Please check the warranty terms for complete information for when a return is applicable. Please note that we do not accept the return of the spare parts or accessories(except battery).

  2. Please request a Return and Exchange Authorization. (contact ECOTRIC Support for a return label at Once the Return and Exchange Authorization is issued, we will email you a return label. You must print the return label and stick it on the box to ship back the electric bike.

  3. Ship-back charge:

         a. If the unit purchase under a free-shipping promotion, there will not be a refund for shipping cost. However, the customer will have to bear the 20% restocking fee of the original price if the return is unrelated to quality, damages or wrong item but merely for a personal and discretional last-minute decision from the buyer.

         b. If the return is accepted, Ecotric will issue a pre-paid shipping slip to you by email. You print the return label and stick it on the box, and take the package to the nearest UPS store.(If you need the pick-up service, please tell us, and we will arrange a return label with the pick up fee for you, but customer will need to pay for this pick-up fee.)

  4. The returned unit must be in like-new condition, include all original packaging,  accessories, and documentation. Any missing components may be deducted from the refund . Any shipping damage during the ship-back may incur a deduction from the refund. 

  5. Returned units are subject to a 20% of inspection and restocking fee from the original price plus 

    There will be 3% charge that will be deducted from the original price paid. This fee is mandated by the bank and/or credit card company and not within our control.

  6. The refund will be issued in an average time frame of 2-3 weeks after we are receiving, inspecting, and processing the returned unit.

  7. If customer wants to cancel the order after the shipping label being created, customer will have to bear the shipping cost.

Warranty information

To make a warranty claim always keep handy the E-Bike model, date of purchase, E-Bike serial number as well as the original order number from our website.

Every ECOTRIC electric bicycle purchased on our website comes with an 18 months warranty ( In the period of 18 months from purchase by Official Authorized Store) against manufacturing defects in materials or workmanship on its frame, battery, motor, controller, and display.

This warranty applies only to the original buyer of the ECOTRIC bicycle and is not transferable under any circumstances. The original buyer refers to the buyer who can provide the order number.

This limited warranty does not apply to normal wear and tear, malfunctions, or failures due to abuse, neglect, improper repair, improper maintenance, alteration, modification, damage or failure due to accident or other improper use, installation of third party components, parts, or accessories, or any products that have been modified from manufacturer’s specifications. The battery warranty does not include damage from power surges, use of improper charger, improper maintenance or other such misuse, normal wear or water damage.

It is important that you register within 30 days after the original purchase to activate the warranty, all fields are required to successfully submit your registration form.



For your reference, please refer to below comprehensive warranty:

1. Frame – are warranted to be free from defects in material or workmanship for 18 months from purchase by Official Authorized Store. Paint finish is considered consumable and is not part of the warranty.
2. Display, Controller and Motor Assembly – are warranted to be free from defects in material or workmanship for a period of 18 months from purchase.
3. Original Batteries – are warranted to be free from defects in material or workmanship for a period of 18 months from the date of purchase as follows: full replacement during the first 12 months, while replacements needed during months 13-18 are prorated.

The battery is sealed and cannot be opened or fixed. The battery should not have a percentage of nominal charge retention of 60% or less. Misuse of the battery, negligence or attempt to open or repair it will void the warranty.

4. General: The bicycle is backed up by a 18 months main warranty, certain components listed on this chart or consumables may be subject to a different period of coverage or not included in this warranty.

5. Consumables: Components subject to wear are not covered by the warranty: Tires, inner tubes, brake lever, brake caliper, brake lines, brake pads, basket, wheel lining tape, light bulbs, LEDS, fuses, etc.

Exclusions: The other parts are Normal wear parts which are excluded from this warranty.
If any parts happen to be damaged during shipping, please contact us immediately after shipment arrival. ECOTRIC will send a replacement part at our expense and will work with you to fix the issue.
Please note that for warranty issues, the customer is responsible for the cost of labor to install warrantied components, however, we will cover the Shipping costs of warranty parts.

If the warranty is void for any reason the customer shall bear any repair or replacement costs resulting from vehicle misuse, negligence or abuse.
Always follow care and preventive maintenance procedures.
Always keep receipts from any services performed to the vehicle by an authorized distributor or service center.
The warranty will be voided by any of the following circumstances:

  1. Failure to follow all directions or recommendations listed in the user manual.
  2. Cycling collision, accident or vehicle damage caused by careless parking 
  3. Acts in violation of laws 
  4. Never registered your ebike or cannot provide the order number
  5. DIY repairs on electronics
  6. Abusive use the bicycle in off-road terrain, mud, snow, water, sand, gravel and water
  7. If the bicycle is used as rental unit 
  8. Damages caused by natural disasters such as earthquakes, lightning, fire, flooding and other hazards .
  9. Rust and/or paint fading caused to heavy exposure to rain, hail, snow or direct sunlight for prolonged periods of time.
  10. Overloading beyond recommended capacity .
  11. Damages caused by nails, needles, broken glass , debris , sharp rocks or other foreign objects .
  12. If the bicycle is used but not limited to stunts, jumping from ramps, stairs or elevated ramps.
  13. If vehicle is used in competitions or racing.
  14. If vehicle has been modified for any purposes on the motor, electrical system, suspension frame, and battery.
  15. Use of other components not approved by the manufacturer.
  16. Damages resulted from improper care and handling.

Due to the nature of the product some components must be exclusive from the manufacturer such as but not limited to the battery, motor, main gauge cluster, controllers, Led headlights, brake drums or disc rotors and pads etc. Other components such as tires, tubes, saddle, racks, baskets may be used from market-ready or compatible products previous approval from the retailer or manufacturer.
For any questions about your warranty or to make any claims please contact ECOTRIC bikes at:



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