36V 250W Seat Post Battery Foldable Electric Bicycle/ Folding Ebike/ Electric Foldable Bike

1-20 Pieces
21-99 Pieces
100-269 Pieces
>=270 Pieces
Min. Order
1 Piece
Choose your specifications
Company Information

Changzhou Qualisports Technology Co., Ltd.

CN Manufacturer, Trading Company
Response Time
Response Rate:
US$ 510,000+
2 Years Paid Supplier Supplier Trade Assurance
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Quick Details

Wattage: 200 - 250w
Voltage: 36V
Power Supply: Lithium Battery
Wheel Size: 16&quot;
Motor: Brushless
Certification: CE
Frame Material: Aluminum Alloy
Foldable: Yes
Max Speed: &lt;30km/h
Range per Power: 31 - 60 km
Place of Origin: Jiangsu China
Brand Name: Qualisports/OEM
Model Number: QSEB01
Wheel Size: 16inch
Color: Black,Red,White
Display: Kunteng intelligent display LCD
Frame: 16 inch 6061 Al-Alloy
Charging time: 3-4 Hours
Tire: Kenda 16 x 2.125
Controller: Kunteng Sine Wave FOC
Motor Power: 36V250W Geared Motor
Max Torque: 40N.m
Brake: 160mm Disk Brake
Selling Units: Single item
Single package size: 76X40X71 cm
Single gross weight: 23 KG
Package Type: Carton
Package Preview: https://sc02.alicdn.com/kf/HTB1WMj1Jx1YBuNjy1zcxh6NcXXaW.jpeg_640x640.jpeg
Product Description

36V 250W Seat Post Battery Foldable Electric Bicycle/ Folding Ebike/ Electric Foldable Bike


Biking definitely is indispensable of our daily life both in exercise and commuting ways.But when it comes to commuting use,too much riding will make us exhausted and sweat,so we designed QUALIBIKE ,firstly a good bike,then a pedal assistant ebike, also we added cruise control system.

Folding Frame

Aluminium Alloy Grade 6061 frame and front fork, totally new design, passed all vibration tests, light but strong enough to hold 100KG .And it could also be folded within 3 steps when you don't want it occupy too much of your room or just want to put it into your trunk.


Customized 250W high speed geared brushless motor, weight only 2.2KG but with 40 N.M torque, So you can uphill over 18°. It's so powerful that you don't have to worry about hills or against wind without any sweat. What's more, with a build-in clutch, you will never feel any magnetic resistance when ride without any power-it's a pure, comfortable bike.


To make Qualibike neat and unique ,we created seat-post lithium battery as our power system.Most people won't recognize it's an ebike at their first sight.And BMS system is also important .It keeps your battery safe from over-charging,over outlet and high temperature.Also ,BMS manages all the cells to work more efficiently to offer you a longer range.The seat-post battery is removable so you can either charge it in the bike or separately in your room.

Disc Brake

Front and rear disc break keep you safe from any emergency with a break distance within 3 meters. Also ebike lever is another safe keeper on this bike you can find,it shut down the power system right away if you take the break.

PAS Riding System

Multi function LCD display,12 points sensor and FOC controller together combine the PAS system.You can either ride at pedals mode,or at cruise control mode with out pedaling or pure bike mode if you need some exercises.The sensor could detect every intention precisely. Once you are riding qualibike,you will fall love with it.

Specs & Options

36V 250W Seat Post Battery Foldable Electric Bicycle/ Folding Ebike/ Electric Foldable Bike

1) Motor
36V 250W geared motor
13) Frame
16 inch 6061 Al-Alloy
2) Battery
36V 5.2Ah/6.4Ah Li-ion
14) Rim
Alloy Aluminum, Double Wall
Seat post Battery
15) Front Fork
16 inch 6061 Al-Alloy
3) Controller
MXUS Sine Wave FOC
16) Brake
160mm Disk Brake
Low noise & durable
17) Brake Level
Al-Alloy Ebike Lever
4) Charger
100~240V, 50-60Hz,
18) Spokes
13G 36H
Plug as final market requirement
19) Derailleur
5) Displayer
20) Rear Hub
Sigma Al-Alloy
6) PAS
5 Classes PAS + Cruise
21) Handle Bar
22) Chain
Rust resistant chain, KMC
7) Max Speed
23) Chain wheel
Prowheel 52T
8) Range
>50km By PAS, >20km By Electric
24) Fly wheel
qualisports 14T
9) Max Load
25) Stem
Alloy aluminum
10) N.W / G.W
14kgs / 23kgs
26) Saddle
11) Carton Size
1330*280*690 mm
27) Pedal
Foldable Pedal
12) Capacity
115pcs/20GP,  270pcs/40HC
28) Tyres
16*2.125 Kenda
(Free offered with standard version)
29) Reflecters
30) Front/ Rear mud guards 
31) Ring
32) Flash Lamp
 (For upgrade version)
Rear rack(+$10)
Front/ Rear lights(+$10)
LG battery 36V 6.4Ah(+$40)
Torque sensor(+$42)
SHIMANO Nexus 3 gears(+$60)
Tektro levers(+$10)
SHIMANO disc brake(+$20)

Customized Color

Standard Version: Black, White, Red
Customized Colour: MOQ 50pcs

Customized Package

Customized logo & Package:MOQ 100 Pieces

Delivery time: 5 days more than standard version 

Our Company


Changzhou Qualisports Technology Co., Ltd. located in Changzhou City, Jiangsu Province, one hour hi-speed train from Shanghai and Nanjing.
      We are professional manufacturer and supplier of electric bikes, electric bike conversion kits and electric scooters. We are established in 1996 with over than 20 years experience in electric bicycle industry. We also have our own motor factory and vehicle factory with professional develop team, veteran technician team and sales-service team. So we can control quality and cost very well to assure our advantages in such competitive circumstance.
      We are running two brands: "powerbike™" and "qualisports™".
      Our registered brand "powerbike™" is for production and "qualisports™" is for oversea sells. "qualisports™" sources from quality and sports. We are determined to produce and sell high quality products.The original motivation is to provide our customers all over the world with innovative high quality personal transportation devices and services with the best cost-performance ratio."qualisports™" will be a leading brand in the global market for personal transportation devices and components. We welcome all independent designers joining us. When you have a design, we can help you to bring it to reality.

Why Choose Us
① Motor
24 months
④ Brake lever
6 months
② Battery
24 months
⑤ Controller / Sensor / Instrument
12 months
③ Charge
12 months
⑥ Frame and head tube fork
12 months
According to your approved photos,any parts of the electric bike can be replaced during the guranteed time. If you have any problems ,do not hesitate to cantact with me by Trademanager/Email/Skype/Whatsapp. We will be glad to solve problems at any time.
Packing & Delivery

Package Size

Box Dimension:1330*290*690MM
Gross Weight:23kg
Volume(CBM) per piece:0.27CBM
20 GP Container:110GE
40 HC Container:270GE
Double carton package
(blank carton outside for delivery)


Q1. What's the MOQ and delivery time?

1) For samples, 1 piece is available for quality check and market test, delivery time within 2 days, ship by air transport door to door.
2) For bulk order, 20~100 pcs delivery time within 20 days, 110 pcs(20'GP) delivery time 25~30 days, 270 pcs(40'HC) delivery time 25~30 days
3) Customized logo & package only available for MOQ 100 pcs.
4) Customized configuration,depends on the delivery time of selected kits.

Q2. What's your warranty terms?

Our warranty covers manufacturing and material defects, and does not cover normal wear and tear, damage/failure due to an accident, incidental or consequential damage, or any use of the product that's inconsistent with the operating instructions as laid out in our user manual.

Q3. What's your payment terms?

1) For samples, T/T 100% as deposit, you can pay via Alibaba Trade Assurance for payment protection.
2) For bulk orders, T/T 30% as deposit and T/T 70% before delivery. We'll show you the photos of your products and packages before you pay the balance.

Q4. Do you have the products in stock?

Yes, we always keep more than 50 pcs of standard version in stock, so that you can receive the samples in a very short time.