QX-RING DESIGN: Four-contact X-shaped seal: 40% lower friction and 50% longer service life than traditional O-rings. Offers more stable sealing, less resistance, more direct power transfer, and improved acceleration response.
High-strength cold forging + reinforced material Chain plates: Thickened with hollow lightening holes, maintaining full strength while reducing weight. Technology: Four-point riveting + solid bushing, impact and fatigue resistant, suitable for high-torque output.
JAPANESE STANDARDS: Manufactured according to Japanese engineering standards with lightweight design for enhanced strength and acceleration
Lightweight design Weight-reducing holes: Precision hollowed chain plates, weight only 3.46–3.8 lbs (1.57–1.72 kg) per 100 links. 3D Cold Forging: Three-dimensional forming with extreme hollowing, weight reduced by over 10%, achieving both appearance and performance.
COMPLETE KIT: Includes 120 links chain with master link and seal rings for professional installation
Overview
Load Capacity : 7870 Pounds
Brand : DONGHUA
Item Pitch : 0.5 Inches
Material : High-strength Alloy Steel, X-ring Seals
Specification Met : Japanese Manufacturing Standards, Motorcycle Chain 520 Series Standard, X-ring Chain Specifications
Shipping takes place within 3-5 business days. If there is a problem with the shipment of the product, we will notify you via the email address you entered when ordering.
🚗 Is free shipping available?
We do not currently offer free shipping. However, this may be added at some point. We apologize.
🚗 How can I get a tracking number for my order?
If your order has been shipped, we will add the tracking number to your order and notify you via the email address you entered when ordering.
🚗 How do I process a return or exchange?
For returns or exchanges, please contact us within 14 days of receiving the product, along with a receipt or screenshot of the purchase, and a photo of the product with the packaging or tag intact.
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