EK 525Z3D-120G ThreeD Premium 525 QX2 X-Ring Motorcycle Chain, 120 Links, 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 525Z3D-120G ThreeD Premium motorcycle chain combines advanced engineering, lightweight construction, and distinctive styling for high-performance street and sport motorcycles. This gold-finished chain uses EK’s ThreeD plate design, featuring a curved outer profile and lightening holes in the inner plates and pins to reduce mass while maintaining strength. The result is a refined chain that supports smooth power delivery, responsive acceleration, and an attractive appearance.

Equipped with QX2 X-ring sealing technology, the EK 525Z3D-120G is designed to provide improved wear resistance and performance compared with standard QX-ring chains. Its sealed construction helps retain lubrication and protect internal components from contamination, while the reinforced design is engineered to minimize initial stretch and promote consistent service performance. The 525 chain size and 120-link length make it suitable for applications requiring a premium replacement chain with a balance of durability, efficiency, and reduced weight.

Fitment includes select 2004–2009 Aprilia RSV1000R motorcycles, including RSV1000R Factory models from 2004 through 2007. Always verify the motorcycle’s required chain size, link count, gearing, and manufacturer specifications before installation. The EK brand and manufacturer part number 525Z3D-120G identify this chain for proper replacement selection, while vendor part number 693-1520G may be used for catalog reference.

Features:

• Size: 525 chain size with 120 links
• Model: ThreeD Premium QX2 X-ring motorcycle chain
• Brand: EK
• Manufacturer part number: 525Z3D-120G
• Vendor part number: 693-1520G
• Finish: Gold
• Plate design: Curved ThreeD outer plate profile for reduced weight and distinctive appearance
• Construction: Lightening holes in the inner plates and pins help reduce mass
• Sealing system: QX2 X-ring design for improved wear resistance and performance
• Performance: Designed for efficient power transmission, smooth acceleration, and reduced initial stretch
• Fitment: Select 2004–2009 Aprilia RSV1000R models, including 2004–2007 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