EK 525Z3D-120KG ThreeD QX2 X-Ring Motorcycle Chain, 120 Links, Black and Gold

EK ThreeD (3D) Premium motorcycle chain is Elegant, Strong, Detailed and Magnificent. It offers the ultimate shape with flexibility and strength. EK Chain set out to produce a premium chain that was as beautiful as it is strong. An impressive outer plate shape that offers a curved form to reduce weight and increase appeal is connected together with inner plates and pins that feature lightening holes to further reduce mass. For Chains with QX2 X-Rings will have a better wear-resistance and performance than standard QX-Rings by 30% resulting in a chain that puts 1% more power to the rear tire.

The EK ThreeD 525Z3D-120KG motorcycle chain combines distinctive styling with strength, flexibility, and efficient power transfer. This premium 525-size chain features EK’s curved ThreeD outer plate design, which helps reduce weight while creating a clean, refined appearance. Black and gold finishes add a custom look suitable for performance-focused street and sport motorcycles.

QX2 X-ring sealing technology is engineered to improve wear resistance and performance compared with standard QX-ring chains. The sealed design helps retain lubricant and limit contamination at the pin and bushing areas, supporting smooth operation and long service life. Lightening holes in the inner plates and pins reduce mass, while EK’s exclusive manufacturing process is designed to increase fatigue strength without adding unnecessary weight. The result is a slim, responsive chain intended to support smooth acceleration and efficient power delivery.

Fitment: The EK 525Z3D-120KG is listed for 2004-2009 Aprilia RSV1000R models, including the 2004-2007 RSV1000R Factory. Always verify the required chain size, link count, and final-drive configuration against the motorcycle’s service information before installation. Proper alignment, rivet-link installation, lubrication, and adjustment are essential for safe operation and maximum chain life. Manufacturer part number 525Z3D-120KG and vendor part number 693-1520BK identify this EK chain assembly.

Features:

• Size: 525 motorcycle chain with 120 links
• Model: ThreeD QX2 X-Ring
• Brand: EK
• Manufacturer part number: 525Z3D-120KG
• Vendor part number: 693-1520BK
• Finish: Black and gold
• Sealing technology: QX2 X-ring design for improved wear resistance and performance
• Plate design: Curved ThreeD outer plates help reduce weight and enhance appearance
• Construction: Lightening holes in the inner plates and pins reduce mass
• Performance: Designed for efficient power transfer, smooth acceleration, and strong fatigue resistance
• Fitment: 2004-2009 Aprilia RSV1000R and 2004-2007 Aprilia RSV1000R Factory models

Fitment:
2004 Aprilia RSV1000R
2004 Aprilia RSV1000R Factory
2005 Aprilia RSV1000R
2005 Aprilia RSV1000R Factory
2006 Aprilia RSV1000R
2006 Aprilia RSV1000R Factory
2007 Aprilia RSV1000R
2007 Aprilia RSV1000R Factory
2008 Aprilia RSV1000R
2008 Aprilia RSV1000R Factory
2009 Aprilia RSV1000R
2009 Aprilia RSV1000R Factory