Professional 26 X 4.0 Inch Fat Tire Electric Bike - 1000W Motor 48V 15Ah Electric Mountain Bicycle - UL Certification & US Warehouse

Professional 26 X 4.0 Inch Fat Tire Electric Bike - 1000W Motor 48V 15Ah Electric Mountain Bicycle - UL Certification & US Warehouse


Sivrock is a well-known American electric bike brand and is very popular among YouTube experts. View more about YouTube experts’ reviews of Sivrock.

Product Video

About this item

1000W Powerful Motor: The SIVROCK V1 Electric Bike uses a 1000W brushless gear hub motor, with a maximum speed of 25+ mph , a maximum torque of 85Nm to provide stronger power and a maximum slope of 35 degrees.

Waterproof Hidden Battery: This electric bicycle uses a 48V 15Ah IP54 waterproof lithium-ion battery hidden in the frame, fully charging takes 8-9 hours, and it can travel 25+ miles in pure electric mode and 75 miles in PAS mode.

Aluminum Alloy Frame: The SIVROCK bike frame is made of high-quality aluminum alloy, lightweight, sturdy and durable, you can ride freely on complex terrain, equipped with an LED headlight and a bicycle horn, making your riding safer.

Reliable Riding System:  The dual disc brake system enables the electric bicycle to stop quickly and smoothly even when riding at high speed, and the high-strength adjustable hydraulic suspension front fork helps you easily cope with bumps during riding.

7 Speed Shifting Gears: The 7-speed gear on the rear hub of this electric mountain bike meets your multiple-speed needs, combined with the 26" x 4.0 fat tires, giving the electric bike perfect terrain adaptability to conquer complex terrain and roads.

Excellent Riding Options: This e-bike for adults provides 4 riding modes, pure electric mode, pedal assist mode, cart mode and classic bicycle mode , the smart LCD display can display real-time speed, riding time, mileage, remaining battery.

Sivrock Ebike Reviewed By Professor Pouncey (1.42 million subscribers):


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: Does the Sivrock electric bike have a USB port to charge phone? 

Yes, the Sivrock ebike has a USB charging port. You can charge your phone at any time when you needed.

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?

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

Q: How long does it take to fully charge?

Our battery fully charging takes  8-9 hours , this can effectively protect the battery and prevent the battery from being charged too quickly and reducing battery life.

Technical Details

Bike Type

‎Electric Bike, Mountain Bike

Age Range (Description)


Number of Speeds


Wheel Size

‎26 Inches

Frame Material


Suspension Type



‎Digital Display, Rechargeable, Headlight, Dual Disc Brake, Adjustable Seat

Included Components

‎Tool Kit


‎26" x 4.0

Brake Style


Cartoon Character

‎Dark Knight

Wheel Width

‎4 Inches

Specific Uses For Product

‎Trail, Road, Gravel


‎48 Volts




‎Hard Core Moutain Off-Road

Model Name

‎CJ500 V1

Power Source

‎48V Lithium-Ion Battery


‎1000 watts

Wheel Material

‎Alloy Steel

Lithium Battery Energy Content

‎720 Watt Hours

Seat Material Type


Warranty Type

‎One Year

Maximum Weight

‎330 Pounds

Assembly Required


Bicycle Gear Shifter Type


Number of Handles


Item Package Dimensions L x W x H

‎59.25 x 31.5 x 12.5"

Package Weight

‎31.75 Kilograms

Item Dimensions LxWxH

‎9.06 x 29.53 x 58.27"



Suggested Users


Part Number


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