Description

Sealed Chain Manufacturer for High-Performance Motorcycles

A Sealed Chain is a high-performance motorcycle chain designed with O-ring or X-ring seals to retain lubrication and block dust, water, and sand from entering the pin and bushing area.
Compared with standard roller chains, sealed chains offer significantly longer service life, reduced wear, and lower maintenance requirements.
As a professional sealed chain manufacturer, we supply a complete range of motorcycle O-ring chains and X-ring chains covering engine displacements from 90CC to 1200CC, suitable for road bikes, off-road motorcycles, and heavy-duty riding conditions.

O-Ring Chain & X-Ring Chain

O-Ring Chain

Uses rubber O-rings to seal lubrication inside each joint, providing excellent durability and cost-effective performance.

X-Ring Chain

Features X-shaped seals to reduce friction and improve sealing efficiency, offering longer lifespan and smoother power transmission.
Both types are factory pre-lubricated and engineered for stable performance in harsh environments.

Sealed Chain Specifications & Engine Capacity

We manufacture sealed chains for different motorcycle displacements:

Small Displacement

420RO – Max 90CC
428UO / 428UX – Max 150CC

Medium Displacement

520RO / 520RX – Max 250CC
525RO / 525RX – Max 250CC
530RO / 530RX – Max 250CC

Large Displacement

520UO / 520UX – Max 400CC
525UO / 525UX – Max 400CC
530UO – Max 800CC

High-Performance & Heavy Duty

520EX / 525EX – Max 900CC
525SUO / 530SUO / 520EXR – Max 1000CC
525EXR – Max 1200CC
All models are available for OEM production, bulk supply, and private labeling.

Why Choose Our Sealed Chains?

• Sealed lubrication system reduces friction and wear
• Service life up to 3× longer than standard chains
• Excellent resistance to dust, mud, water, and corrosion
• Stable performance for long-distance and heavy-load riding
• Factory direct supply with consistent quality control

Applications

Our motorcycle sealed chains are widely used in:

• Street motorcycles
• Off-road & adventure bikes
• Heavy-load and high-torque motorcycles
• Long-distance riding and frequent stop-and-go conditions

Sealed Chain Manufacturer & OEM Service

We are a direct sealed chain manufacturer, providing:

• OEM & ODM customization
• Bulk production & stable lead time
• Strict quality inspection
• Export-oriented packaging and logistics support

Whether you are a brand owner, distributor, or wholesaler, we can supply sealed chains tailored to your market needs.

Looking for a Reliable Sealed Chain Supplier?

Contact us today to get:

• Product catalog
• Technical specifications
• Factory pricing
• OEM cooperation details

FAQ – Sealed Chain

Q1: What is the difference between O-ring chain and X-ring chain?
A: X-ring chains reduce friction and seal lubrication more effectively than O-ring chains, offering longer service life.
Q2: How long does a sealed chain last?
A: Under proper conditions, sealed chains last at least 3 times longer than standard chains, with premium models exceeding 50,000 km.
Q3: Do you offer OEM sealed chains?
A: Yes, we provide full OEM & private label services for sealed motorcycle chains.

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