What is the delivery time?

Delivery time is within 20-30 days, or within 15 workdays during peak/off-peak seasons.

What payment terms are accepted?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Does the chain come with installation instructions?

Yes, detailed installation and handling instructions are provided to ensure safe operation.

Durable 428 428h O-Ring Motorcycle Chain for Gear Transmission

Name: Durable 428 428h O-Ring Motorcycle Chain for Gear Transmission
Brand: Hangzhou Sfr Technology Co., Ltd.
SKU: 2168771925

Zhejiang, ChinaHangzhou Sfr Technology Co., Ltd.

US$3.50

200-499 pieces

US$2.40

500-999 pieces

US$1.23

1,000+ pieces

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Warranty

1 Year Guarantees

Type

Motorcycle Chain

Model NO.

420 428 428h 520

Material

Alloy Steel

Certification

ISO9001：2001, CE

Surface Treatment

Zinc Plated, Gold Coated, Copper Coated

Product Name

Motorcycle Gear & Chain Kit

Usage

Motorcycle Transmission System

Condition

New

Delivery Time

Within 20-30 Days

Size

30*12*3.05cm

OEM

Acceptable

Color Available

Gold

Purpose

for Replace/Repair

Transport Package

Carton

Specification

1/2"*11/128"

Trademark

SFR

Origin

Zhe

Key features

Extended O-Ring Lifespan: Specially optimized O-rings provide 150% greater lifespan than standard chains.

High Performance Design: Feather-light design with robust sealing, balancing strength and reduced weight.

Multiple Color Options: Available in Silver outer with black inner or Golden outer with black inner.

Comprehensive Certifications: Certified by ISO9001:2001 and CE standards for quality assurance.

Diverse Size Compatibility: Supports 420, 428, 520, 525, and 530 chain types for various motorcycles.

Customization Services: Accepts OEM/ODM, full customization, and flexible customization from designs.

Global Manufacturing Capacity: Monthly output exceeds 2.2 million units across four owned factories.

1-Year Warranty Coverage: Includes 1-year guarantee for mechanical defects and performance issues.

Company profile

Patents AwardedOEM ServicesQA/QC InspectorsR&D Capabilities

Hangzhou Sfr Technology Co., Ltd.

Zhejiang, 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: 13 Years CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤2.33h

AI-Powered supplier vetting

SummaryHangzhou Sfr Technology Co., Ltd. is a China-based factory and limited company established in 2011, with 202 employees and production scope covering multiple chain and sprocket categories. It holds a valid import/export license, has exported goods for 13 years, and derives 51%–70% of total sales from exports. The supplier provides extensive customization and ODM/OEM services, reports new products within the past year, and has received one national science and technology progress award. Finished-product inspection instructions are available and uniformly followed. Evidence of after-sales infrastructure, overseas branches, ERP-based operational digitalization, and detailed financial performance is limited. The supplier reports OEM service for well-known brands, but no specific customer names or cases are provided.

Supplier typeThe supplier is identified as a factory and a limited company, operating as a combined business entity in Hangzhou, Zhejiang, China. Its stated business scope includes production of transmission chains, chains, transmission-chain components, and automotive timing-system chain and sprocket projects.

CertificationsThe supplier reports one national science and technology progress award and confirms that it holds a valid import/export license. However, no specific product, quality, or management-system certifications are identified in the provided information.

R&D capabilityThe supplier reports new products during the past year, provides ODM services, and holds one national science and technology progress award. It does not have an available SDK, and no sustainable-development or ERP-based digital-management capability is reported, leaving the overall innovation infrastructure only partially demonstrated.

Production capacityThe supplier operates as a factory with 202 employees and produces a broad range of conveyor, motorcycle, agriculture, drive, transmission, leaf, stainless-steel chains, and sprockets. It has standardized finished-product inspection instructions, 13 years of export experience, and a valid import/export license, supporting established production and export operations.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides ODM services and reports new products within the past year, indicating broad product-development and customization coverage.

Client casesThe supplier states that it provides OEM services for well-known brands, which is evidence of serving recognized-brand customers. However, no brand names, project details, product references, or verifiable customer case descriptions are supplied.