How to ensure the quality of your bikes?

We have a complete QC system. Firstly, all the components purchased we will test out before using; secondly, we have quality control during every step in the production process; last but not least, we check all the performance after fully assembled including road testing before packing.

Strong quality control: We test and check all the parts before on produce line. Check and test each unit when it ready.

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7 Speed 20" *4.0 Cycle Foldable Bicycle City Fat Ebike E Bike

Name: 7 Speed 20" *4.0 Cycle Foldable Bicycle City Fat Ebike E Bike
Brand: Shenzhen Gravity Technology Co., Ltd.
SKU: 2077336845

Guangdong, ChinaShenzhen Gravity Technology Co., Ltd.

US$659.00

10-99 Pieces

US$635.00

100-199 Pieces

US$607.00

200+ Pieces

Sample price:US$659.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

12months

Warranty

12months

Model NO.

Z20006

Frame Material

Aluminum/Alloy

Used For

All Ages

Wheel Size

20"

Rim Material

Aluminum/Alloy

Fork Material

Aluminum/Alloy

Derailleur Set

Front Derailleur

Saddle Shell Material

Imitation Leather

Handlebar Material

Plastic

Bicycle Pedal Material

Aluminum/Alloy

Chain

Chinese Brand

Tire

20" *4.0

Charging Time

3-6hour

Dashboard

866 LCD Display

Frame

Aluminum Alloy 6061

Cassette

7 Speed

Brake

Disc Brake

Brake Handle

Aluminum Alloy, Auto Shut off Power

Nedc

20-30km

Working Mode

Pedal Mode, Accelerator Mode, Sport Mode

Charger

Input: 100-240V AC Output: 54.6V DC/2.0A

Transport Package

Carton

Specification

"CTN: 101*48*71CM G. W/N. W: 35kg/30kg"

Origin

Shenzhen, China

Production Capacity

1000000

Key features

350W Brushless Motor: Powerful 36V DC 350W brushless motor ensures smooth and efficient performance.

20x4.0 Inch Fat Tires: 20-inch fat tires provide excellent traction and comfort on various terrains.

7-Speed Gear System: Front derailleur with 7 speeds helps maintain safety and adapt to different riding conditions.

Large LCD Display: Front-center display shows pedal assist level, battery, speed, odometer, and trip distance.

Hidden Li-ion Battery: Concealed battery design with low consumption and easy replacement capability.

Multiple Working Modes: Supports Pedal Mode, Accelerator Mode, and Sport Mode for versatile riding experiences.

12 Months Warranty: Comprehensive 12-month warranty coverage for peace of mind and product reliability.

Aluminum Alloy Frame: Durable 6061 Aluminum Alloy frame ensures lightweight strength and long-lasting use.

Company profile

Shenzhen Gravity Technology Co., Ltd.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2006-08-28 CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤1.44h CertifiedTerms of Payment: LC, T/T, D/P, etc. CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR

AI-Powered supplier vetting

SummaryShenzhen Gravity Technology Co., Ltd. is a China-based trading company established in 2017, focused on electric bikes and related bicycle products. The supplier reports annual electric-bike output of 200,000 pieces, three production lines, a 500 m² manufacturing plant, and six to ten quality-control staff. It exports to South America, Southeast Asia/Mideast, Europe, Australia, and North America, with stated export sales of 71%–90% and access to Shenzhen and Guangzhou ports. OEM and ODM services are offered, supported by three years of R&D-engineer experience. The supplier describes lifelong service and fast response, but no certifications or customer cases are provided. Financial assessment is limited because monetary information is excluded.

Supplier typeThe supplier is explicitly identified as a trading company and limited company headquartered in Shenzhen, China. Its stated activities include electric-bike products, OEM/ODM services, exporting through agents and self-operated export rights, and broad international markets.

After-Sales capabilityThe supplier states that it provides a complete service system including lifelong service, fast response, and constructive customer suggestions. These are explicit service claims, although no service metrics, procedures, or independently verified evidence are provided.

R&D capabilityThe supplier offers OEM and ODM services and reports three years of R&D-engineer experience, indicating some product-development capability. However, no patents, new-product records, engineering resources beyond this figure, or innovation outcomes are stated.

Production capacityThe supplier reports annual electric-bike output of 200,000 pieces, three production lines, a 500 m² manufacturing plant, and six to ten quality-control staff. It also states one-month off-peak lead time and two-to-three-month peak-season fulfillment, providing explicit evidence of established production capacity.

Customization capabilityOEM and ODM services are explicitly stated as available, and the supplier promotes one-stop service for diversified needs. This supports customization capability, although the scope of customization and technical limits are not specified.

Product Q&A

Q:Where is your company located?

Our factory is located in Shenzhen City China

Q:Can I get some samples?

Yes, we offer samples for quality check. Considering electric bike as big item with certain value, we don't offer free sample and transportation fee is not contained in sample price.

Q:Can I have my own customized product?

Yes. Your customized requirements for color, logo, design, package, carbon mark, your language etc.

Q:What are the payment terms?

Price terms of EXW, FOB, CNF, CIF, DDP, DDU are acceptable. For bulk order, 50% deposit and 50% balance before shipment. We accept T/T, L/C, West Union, Money Gram, Visa, Master Card and etc.

Q:How is the shipment handled?

If you have a forwarder, we can send the cargo to your forwarder. If not, we recommend suitable shipping methods such as by courier, air or sea shipment. DHL, UPS, Fedex, and TNT are acceptable.