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40Km/H Lithium Battery Magnesium Alloy Variable Speed Electric Bicycle

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40Km/H Lithium Battery Magnesium Alloy Variable Speed Electric Bicycle

40Km/H Lithium Battery Magnesium Alloy Variable Speed Electric Bicycle
40Km/H Lithium Battery Magnesium Alloy Variable Speed Electric Bicycle
40Km/H Lithium Battery Magnesium Alloy Variable Speed Electric Bicycle 40Km/H Lithium Battery Magnesium Alloy Variable Speed Electric Bicycle 40Km/H Lithium Battery Magnesium Alloy Variable Speed Electric Bicycle 40Km/H Lithium Battery Magnesium Alloy Variable Speed Electric Bicycle

Large Image :  40Km/H Lithium Battery Magnesium Alloy Variable Speed Electric Bicycle

Product Details:
Place of Origin: Qingdao, China
Brand Name: CHUNYOO
Certification: ce
Model Number: EMTB-008
Payment & Shipping Terms:
Minimum Order Quantity: 1set
Price: USD+577-600+SETS
Packaging Details: Carton size: 135*26*73cm
Delivery Time: 7-15 work days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 2000+SETS+MONTHES

40Km/H Lithium Battery Magnesium Alloy Variable Speed Electric Bicycle

Product Name: Electric Bike Material: Aluminum Alloy
Power Supply: Lithium Battery Controller: Intelligent Brushless
Certification: Ce Battery Position: Down Tube
Style: Standard Switch: Power Brand
Display: LCD Motor: Brushless
High Light:

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40Km/H Lithium Battery Magnesium Alloy Variable Speed Electric Bicycle


Product Description:

       The worldwide demand for electric bikes (e-bikes) is growing as consumers see e-bikes as an eco-friendly solution to long commutes and rising fuel prices. An e-bike is a bicycle with an integrated electric motor, a battery, and a controller that assists with increased propulsion. New designs — which accommodate shorter recharging times, lighter weights, and higher battery capacity for longer riding ranges — create the need for smaller, more energy-efficient power solutions.

       Our highly integrated, highly energy efficient, easy-to-use solutions offer robust power conversion capabilities in small sizes for e-bike power management and battery management systems. We offer a wide range of products, from angular position sensors to power modules and battery charge controllers.

About this item

【Powerful & Stronger Motor】: It increases stronger hill climbing power, provide enough power for your daily commute, sailing on the mountain or winding along your favorite trail. With speeds up to 40 mph, it will get you there swiftly. Easily adapt to various terrains, taking you to enjoy the outdoor fun.

【Removable Large Capacity Battery】: The electric mountain bike is equipped with the 36V 13Ah Lithium battery. Under electric mode, you can ride up to 50 Miles as per charge and further, 50 Miles can be achieved if you use pedal assist mode. Charging only requires 4-6 hours. You can charge on or off the ebike by your convenience. Perfect for daily commuting and travel.Notice:Please keep the keys carefully.

【Professional 21 Speed Gears】: With Shimano 21 speed transmission system, front and rear disc brakes give you double safety when riding, provide more reliable braking force in different weather even in rainy conditions.It comes with a thumb throttle, only by pushing down the throttle paddle with your thumb, the bike will go faster.

【Dual Disc Brakes&Front Suspension Fork】: The mechanical front and rear disc brakes offer ample stopping power even in long and steep descents, ensuring more downhill confidence.Friendly Reminder:If the disc brake failing to clamp down,you need to tighten the cable first,then confirm the disc brake can work well or not.You can refer to the video in the main picture.


Quick Detail:

Place of Origin:Shandong, China

Brand Name:CHUNYOO

Model Number:EMTB-008

Gears:21 Speed

Range per Power:31 - 60 km

Frame Material:Aluminum Alloy

Wheel Size:20"/4.0"

Max Speed:30-50Km/h


Power Supply:Lithium Battery

Braking System:Double disc brake

Charging Time:1~3 hours

Motor position:Rear Hub Motor

Battery Position:Integrated Battery

Battery Capacity:10.4AH

Tire Width:20"/4.0"




Frame:Aluminium Alloy



Package size:135*26*73cm

Net weight:25KGS



product name

electric bike


Aluminum alloy


21 Speed

Battery Position

Integrated Battery

Power Supply

Lithium Battery




Product Display:

40Km/H Lithium Battery Magnesium Alloy Variable Speed Electric Bicycle 0


What is an electric bike or e-bike?

        An e-bicycle is one with an electric motor (attached to the bottom bracket or front wheel) that assists the rider with their pedalling.This means that while you’re still getting a workout – and enjoying the scenery – you don’t need to pedal nearly as hard, especially up hills.Under UK regulations, e-bikes – or ‘pedelecs’ – cut the power assistance when you stop pedalling or when your speed reaches 15.5mph.E-bikes use rechargeable batteries and typically travel up to 25 to 32 km/h (16 to 20 mph). High-powered varieties can often travel more than 45 km/h (28 mph). they are gaining in popularity and taking some market share away from conventional bicycles.E-bikes are classed according to the power that their electric motor can deliver and the control system, i.e., when and how the power from the motor is applied. Also the classification of e-bikes is complicated as much of the definition is due to legal reasons of what constitutes a bicycle and what constitutes a moped or motorcycle. As such, the classification of these e-bikes varies greatly across countries and local jurisdictions.

        How the electric bike motor gets the power to the wheel falls into 4 basic classes. Friction drive, mid drive, left side drive, and hub motor drive. Friction drive uses the motor to rub the tire, pushing the tire by friction. As you can imagine, a bit of water or mud on a tire could affect this method. Mid drive means the motor is mounted in the middle of the bike, near the pedals. Then the motor connects to the pedals, so the motor actually helps the rider pull the chain on the bike. Mid drives work great, when the rider chooses the right gear. Choosing too high a gear can result in lots of chain and gear wear, and in some cases actually harm the motor or the battery. So with a mid-drive bike, you have to think about which gear to use at all times. Left side drive means a motor uses the left side of the rear wheel to transfer the power. It might be an additional chain and sprocket on the left, or it might be made so a rotating disc pushes on the spokes on the left side of the wheel. The main drawback of left side drive is noise. Most are very loud, with the extra chain and sprocket. The simplest and most elegant solution is the hub motor. With the hub motor, the motor is actually located right inside the hub of the wheel. This makes it easy for the novice to install on a bike, and the result is a quiet ride that is never in the wrong gear. In fact, many users of a hub motor put the bike in one of the higher gears, and never need to shift gears ever again.


About Us:

      Qingdao Chang zhi yu Trading Company LTD, located in the beautiful seashore city, Qingdao, China, is manufacture and trading company. We are specialized in the products of outdoor camping and hiking, leisure sports equipment, outdoor and indoor entertainment activities. Such as camping tent, roof top tent, camping shovels and tool kits, walking sticks, hula hoop, and yoga sports equipment. We’ve got very smooth development during these years. Every series of products is developed under the target for best using experience, and we have many products with patent. Support to produce by customized. Accept OEM and ODM orders. That’s why our products are very popular in the world, also it’s much high honor to share the good products with consumers from all over the word. We have a strong trading team who make best efforts to provide service for buyers sincerely. In order to let buyers to extend their market easily, we develop new products very season and update both in quality and styles frequently. We well know about that buyer’s development just is ours as well. You will be the leader of the market based on our stable and effective products and service.We have perfect quality management system and responsibility of society. As a long business partner, we also provide quality warranty period. Welcome the buyers from all over the world and to build mutual benefit and long-term cooperation relationship.

40Km/H Lithium Battery Magnesium Alloy Variable Speed Electric Bicycle 1



Q1: Are you manufacturer or trader?
A: We are manufacturer, welcome for visit our factory.

Q2: How to confirm the product quality before placing the order?
A: The quality of thesample is the same as that of the bulk goods.

Q3: What is your MOQ?
A: It depends on different goods. For some products, sample order can be accepted even.

Q4: How about delivery Time?
A: Delivery time is within 10-15 days, please communicate with us for specific time.

Q5: Do you provide after sales service?
A: Yes. After sales service is just as important as pre-sales.
You can click our website to know more about us.


Contact Details

Contact Person: Mr. wang yunping

Tel: 86-18653271065

Send your inquiry directly to us (0 / 3000)