What is your sample policy?

We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.

How do you make our business long-term and good relationship?

1. We keep good quality and competitive price to ensure our customers benefit; 2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.

8 Speed Square Hole MTB Bicycle Crank

Name: Premium 3X6/7/8 Speed Square Hole MTB Bicycle Crank
Brand: Xingtai Tianjiu Bicycle Parts Co., Ltd
SKU: 2114870632

Hebei, ChinaXingtai Tianjiu Bicycle Parts Co., Ltd

US$1.90-2.45

100 Sets

Sample price:US$0.00/set.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Condition

New

Model NO.

Crank

Certification

CE, ISO9001

Customized

Application

Road Bike, Mountain Bike, Ordinary Bicycle

Chainwheel Teeth

28-38-48t

Material

Steel

Length

165/170/175mm

Index or Not

by Customized

Cover or Not

by Customized

Item

Chain Wheel Crank

Transport Package

by Customized

Specification

32*55*36cm

Trademark

TIANJIU/OEM

Origin

China

HS Code

87149620

Production Capacity

300000sets/Month

Key features

Customized Dimensions: Available in 165mm, 170mm, and 175mm crank lengths.

Triple Chainwheel Design: Features 28/38/48T teeth configuration for versatile gear ratios.

Durable Steel Material: Constructed from high-quality steel with ED/CP/UCP finishing.

Free Sample Policy: Samples provided free of charge; customer covers shipping fees.

Fast Sample Delivery: Sample delivery time is approximately 3 days.

OEM & ODM Support: Regularly offers customization services for designs and samples.

Comprehensive Warranty: Guarantees qualified products with free replacement for broken parts.

Professional Manufacturer: Direct factory in Xingtai with 260 employees and 80 production sets.

Company profile

High Repeat Buyers ChoiceExhibition ExperienceFast DeliveryQuality Assurance

Xingtai Tianjiu Bicycle Parts Co., Ltd

Hebei, China

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: ≤3.40h

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:Are you a factory or trading company?

We have our own factory which is located in the famous bicycle town of Xingtai City, Hebei Province. We also have cooperative factories. We focus on R&D and sales services of high-tech products. This platform is responsible for the export of our factory. Welcome to visit our factory.

Q:Do you support OEM&ODM services?

OEM&ODM services are regularly offered to our customers. For any customization, please feel free to contact us.

Q:Is the sample free? How long is the sample time?

The samples are free, and customer just pay for the shipping fee. The delivery time of sample is about 3 days.

Q:How much of the shipping cost?

It depends on the express way, weight and size. If you want to know more details, please contact our customer service.

Q:What is your product warranty?

We guarantee our products are qualified. If there is any broken part, please send us detailed photos by email, we will send you the replaced parts according to the actual conditions.