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Stylish Crank and Chainwheel Design for Mountain Bikes
US$1.70-2.15
1,000 Sets
Sample price:US$0.00/set.Request sample

Product profile

Customization

Available

After-sales Service

We Can Offer The Best After-Seller Service

Condition

New

Model NO.

TJ-QB-16

Certification

ISO9001

Customized

Accept Customized

Application

Kids Bike, Road Bike, Mountain Bike, Ordinary Bicycle, All Kinds Bike

Chainwheel Teeth

28/38/48t

Material

Steel

Transport Package

Carton

Trademark

TIANJIU

Origin

China

HS Code

87149620

Key features

Customizable Surface Color: Surface treatment ED allows for customized color options to meet specific design needs.
Multiple Chainwheel Teeth Options: Available in 28/38/48T and 24/34/42T configurations for versatile gear ratios.
Diverse Crank Length Selection: Offered in 152mm, 165mm, and 170mm lengths to suit different rider preferences.
Steel Material Construction: Made from durable steel with a plastic crank cover for enhanced protection and comfort.
OEM and ODM Services: Full customization available including from samples, designs, and flexible minor modifications.
Comprehensive After-Sales Support: Dedicated team provides the best after-sales service for all bicycle parts.
ISO9001 Certified Quality: Manufacturing process adheres to ISO9001 standards ensuring high product quality.
Competitive Manufacturer Pricing: Direct factory control from material to finished product ensures cost-effective pricing.

Company profile

Xingtai Tianjiu Bicycle Parts Co., Ltd
High Repeat Buyers ChoiceExhibition ExperienceFast DeliveryQuality Assurance
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 10 years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤3.67h

AI-Powered supplier vetting

SummaryThe supplier is a combined company located in Hebei, China, with manufacturing, export, service, quality-control, and R&D-related capabilities listed. It offers broad customization and reports ODM and OEM experience, but is explicitly not a professional technical supplier and does not provide 3D software design or SDKs. Export activity is substantial, with 90% of total sales from exports and 10 years of export experience; stated markets include Africa, Europe, and domestic trade. Production resources include more than 10 production lines, inventory capability, and 6–10 quality-control staff, although no valid manufacturing-capacity contract with related subcontractors is reported. The supplier has quality assurance and uniformly followed finished-product inspection instructions, but lacks management-system certification, an approved-supplier list, and written corrective-action or complaint-handling procedures. Financial data for the stated periods shows zero reported operating revenue, operating cost,...
CertificationsThe supplier reports quality assurance in its quality-control processes, but its management-system certification status is NIL. Therefore, quality assurance is claimed without evidence of formal management-system certification.
After-Sales capabilityThe company describes comprehensive after-sales service and has inventory capability, but it has no overseas warehouse, overseas showroom, overseas agents or branches, and no written complaint-handling procedures or records. The positive service statement is therefore not supported by documented after-sales processes.
Financial creditThe provided financial records report zero operating revenue, operating cost, gross profit, and operating profit for 2024, with zero operating revenue also reported for 2023. These figures create a significant concern regarding demonstrated operating activity and financial credibility, although no further financial context is provided.
R&D capabilityThe supplier offers ODM services and OEM services for well-known brands, but reports no new products in the past year, no SDK availability, no 3D software design service, and only one year of total R&D engineer experience. The evidence indicates limited documented innovation capability despite design-related service offerings.
Production capacityThe supplier reports more than 10 production lines, inventory capability, standardized instructions for finished-product inspection, and one-month order fulfillment in both peak and off-peak seasons. However, it reports no valid manufacturing-capacity contract with related subcontractors, creating a documented capacity-management weakness.
Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, and also provides ODM services. These statements directly support broad customization capability.

Product Q&A

Q:What customization options are available?
A:
We offer full customization from samples and designs, including minor and flexible customization options.
Q:What are the available chainwheel teeth counts?
A:
The chainwheels come in 28/38/48T and 24/34/42T configurations.
Q:What materials are used for the crank and chainwheel?
A:
The product is made of steel with a plastic crank cover.
Q:What is the lead time for shipping?
A:
Shipping takes 30 days after receiving the advance payment.
Q:What is the minimum order quantity?
A:
The minimum order quantity is 1000 pieces.

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