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Fat Bikes Direct

500W Motor Electric Bike For Adults, 20 X 4 Inches Fat Tire Bike, 7 Speed 48V 25MPH Removable Battery Mountain E-Bike

500W Motor Electric Bike For Adults, 20 X 4 Inches Fat Tire Bike, 7 Speed 48V 25MPH Removable Battery Mountain E-Bike

Regular price $4,460.14
Regular price Sale price $4,460.14
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Sivrock is a well-known American electric bike brand and is very popular among YouTube experts. View more about YouTube experts’ reviews of Sivrock.

About this item

  • The Ebike Boasts Impressive Performance Features - Including a top speed of 25mph range. A 500W Brushless Motor and 48V 12Ah magnetic cell batteries, providing faster and safer travel, power it. With a charging time of just 4-5 hours and a travel distance of up to 37 miles, perfect choice for your daily commuting.

  • Fantastic Alternative to Cars – The electric bike for adults is equipped with a SHIMANO 7-Speed gear, it can handle steep inclines and adapt to varying terrain with ease. The aluminum alloy frame of our bikes is both lightweight and durable, with a 20*4 inches Fat Tire and adjustable seat and handlebar design to cater to riders of different heights and styles.

  • Adjustable Lightweight Bike - With dimensions of 67 x 24 x 48 inches and a weight of 70.8lbs, it can support a maximum load of 400lbs. Equipped with 20*4 fat tires that are anti-skid and adaptable to various terrains, including snow and sand, it provides a safe and balanced ride that is both fast and easy. The pedal-assist feature of this e-bike gives riders a boost, making it perfect for hill-climbing, hiking, going to school, the mall and weekend exploring.

  • Time-Efficient Commuting Ebike - With 20*4-inch solid fat tires, this e-bike is suitable for riders of all ages and sizes. It is an affordable e-bike with lower running costs and excellent accessibility. It is easy to store, save you valuable space. This e-bike provides five levels of electric pedal assist, its intelligent display provides accurate readings of power, speed, and distance covered.

  • This Versatile Electric Bike Offers Various Working Modes - Electric bike, pedal-assisted bicycle, and normal bike. It features an upgraded YL-80C LCD monitor, and front lamp. Waterproof ebike for both adults and teens, this electric bike comes with a 360-day warranty for different parts, and 24/7 customer service. Should you experience any issues, please feel free to let us know.

  • 25+ MPH

    Top Speed

  • 20 X 4 Inches


  • 500W

    Motor Power

  • Up to 37 Miles


  • 400 lbs

    Payload Capacity

  • LCD Display


  • 48V 12Ah

    Waterproof Battery

  • Disc Brakes


  • UL Certification

    Safety Certified

  • 85% Pre-assembled


  • 1 Year Warranty

    Long Warranty

  • Lifetime Support

    Technical Support

  • Easy Return

    30 Days Returns

  • Ships from US

    US Warehouse

  • 4 - 5 Hours

    Charging Time


Q: What is your warranty policy?

A: Sivrock bike comes with 1 year warranty on battary, motor and controllor, and provide lifelong technical support. Sivrock is devoted and confident to slove any product issues, if you have any question about product using, maintaining, or returning, please do not hesitate to contact with us.

Q: Do I need to assemble my Sivrock ebike? Will it be difficult?

The Sivrock electric bike already comes 85% pre-assembled. Some simple parts are left for you to enjoy hands-on fun. We have made a detailed assembly video and detailed assembly steps. Our customers generally need 15 to 30 minutes to assemble the bike.

Q: Where do you ship from?

A: We ship from our US warehouse, Usually shipped on the same day.

Q: How long does it take to fully charge?

A: Our battery fully charging takes 4-5 hours, this can effectively protect the battery and prevent the battery from being charged too quickly and reducing battery life.

Q: What about the battery of sivrock electric bicycle?

A: 48V/12Ah large-capacity battery, hidden built-in IP52 waterproof battery, and battery management system, safe, reliable and long-lasting.

Q: What are the advantages of fat tires in all terrain conditions?

A: 20" x 4.0 fat tires, puncture-resistant and wear-resistant rough texture provide strong grip, allowing you to drive smoothly in different riding environments and cope with various complex weather and terrains.

Technical Details

Bike Type: ‎Electric Bike, Mountain Bike

Age Range (Description): ‎Adult

Number of Speeds: 7

Battery: 48V 12AH

Motor: ‎48V 500W 55m.N

Connection: Waterproof cable connection

Display: LCD

Charging time: 4-5 hours

Range: 37 Miles

Speed: 25 MPH

Wheel Size: 20 Inches

Frame Material: Aluminum

Suspension Type: Front

Special Feature: Dual Suspension

Included Components: Tool Kit

Size: 20 X 4 inches

Brake Style: Hydraulic disc brake

Style: All-season

Item Package Dimensions L x W x H: 58 x 30 x 11 inches

Package Weight: 82 Pounds

Item Dimensions LxWxH: 67 x 24 x 47 inches

Warranty Description: 1 YEAR

Material: Aluminum

Suggested Users: unisex-adult

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