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EK ThreeD 525Z Premium Motorcycle Chain 128 Links Black&Gold QX2-Ring Sealed - Listing EK THREED 525Z PREMIUM MOTORCYCLE CHAIN
128 Links | Black&Gold | QX2-Ring Sealed | Rivet Type
Welcome to our store! This product is a 100% genuine EK ThreeD Chain, proudly manufactured by Enuma Chain Mfg. Co., Ltd. in Japan, and sourced directly from an authorized official importer in South Korea.
■ Product Overview & Specifics
The EK ThreeD 525Z is a top-tier premium chain designed specifically for Super Sports motorcycles. Engineered to handle high-output applications up to 1,200cc, it introduces the highly advanced QX2-Ring (Quadra X2) technology, offering exceptional wear resistance and drastic friction reduction. This specific listing is for a 128-link chain in a brilliant Black&Gold finish.
- Condition: Brand New
- Brand: EK Chain (ThreeD)
- Model: ThreeD 525Z (Super Sports)
- Chain Pitch: 525
- Chain Type: Sealed (QX2-Ring) / Super Sports Use
- Color: Black&Gold
- Number of Links: 128
■ Key Features
- Advanced QX2-Ring (Quadra X2) Adoption: The exclusive QX2-Ring has better wear-resistant performance than the standard QX-Ring by an impressive 30%. It also leads to a significant reduction of friction compared with existing products, ensuring maximum power delivery.
- Improvement of Transmission Efficiency: Our ThreeD parts are precisely manufactured, leading to a great improvement in transmission efficiency and smooth power delivery on the track and street.
- Lightweight 3D Design: Features a special three-dimensional plate shape that strengthens the chain without making it heavy. Both ends of the pins have lightening holes, and the plates feature outer contour and inner roll weight reduction machining.
- Chromium Alloy Pin: A specialized chromium alloy pin surface coating significantly increases hardness and reduces chain wear over time.
- Rivet-Type Master Link (MLJ): Includes a rivet-type connecting link that is as good as the chain itself in terms of fatigue strength. (Please note: A special riveting tool is required for proper installation.)
■ Fitment & Compatibility
- Motorcycle Types: Road Race and High-Performance Street
- Engine Displacement: 250cc - 1,200cc (Street & Race)
⚠️ INSTALLATION & FITMENT NOTICE
Master Link: Rivet Type (MLJ). A special heavy-duty riveting tool is strictly required for proper installation to match the chain\'s extreme fatigue strength.
Please also verify your motorcycle\'s required chain pitch and length before purchasing.
If you have any questions regarding the product, fitment, length, or installation, please feel free to contact us via messages. We are happy to help!
■ Shipping & Handling
- Product Location: South Korea (All items are shipped directly from South Korea)
- Handling Time: 5 Business Days. Your item will be shipped within 5 business days of payment approval, and a tracking number will be uploaded to .
- Shipping Address: We strictly ship to the address registered on your account. If you need your item delivered to a different address, please update your address on before placing your order.
🔒 Our Quality Assurance Program
To prevent accidents such as incorrect deliveries or missing components, we operate a strict inspection program. Our entire packaging process is video-recorded. For high-value items, we proactively provide packaging photos to the buyer prior to shipment for your peace of mind.
■ Customs & Import Policies 🇺🇸 For U.S. Buyers (Standard International Shipping):
- Delivered Duty Paid (DDP): Import duties, taxes, and related customs clearance fees are already included in the item price and shipping cost. You will not be charged any additional fees after payment.
🌍 For International Buyers outside the U.S. (Expedited International Shipping):
- Delivered Duty Unpaid (DDU): Import duties, taxes, and other regional charges are not included in the item price or shipping cost. These charges are the buyer\'s responsibility.
- Please check with your country\'s customs office to determine what these additional costs will be prior to offerding or buying. These fees are typically collected by the delivering freight (shipping) company or when you pick the item up. Please do not confuse them for additional shipping charges.
*Policy Note: We do not mark merchandise values below their actual value or declare items as \"gifts.\" International government regulations strictly prohibit such behavior.
■ Returns Policy
If you are dissatisfied with your purchase, we accept returns within 30 days of the purchase date, subject to the following strict conditions:
- Item Condition: Items must be returned in their original packaging, strictly unused and undamaged. (The chain cannot be cut or installed).
- Original Packaging: All original tags must remain attached, and all manuals, hardware, master links, and accessories must be included. The manufacturer\'s original box must be completely intact and undamaged.
- Missing or Damaged Items: If your order arrives with missing parts or shipping damage, you must notify us via messages within 48 hours of delivery.
- Restocking Fee: ⚠️ If any of these criteria are not met, a restocking fee may be applied, or the refund may be refused.
- Return Shipping Costs: Unless the item is proven to be defective or incorrectly shipped by us, all return costs are the responsibility of the buyer. This includes return shipping fees, customs clearance, import duties, and VAT.
*The buyer is also responsible for ensuring the item is securely packaged so it is not lost or damaged in transit back to us.
