Fork seal

Ariete seals - quality and durability.

Ariete's high manufacturing quality matches their unique manufacturing material – a carboxylated elastomer rubber compound known as XNBR

This unique rubber compound has excellent resistance to wear, high temperatures, and various greases containing multiple additives, used in today's motorcycle suspensions.

When the suspension moves against the seal, it creates significant friction, which is further amplified by the heat generated from friction and hydraulics. This mechanical wear accelerates the aging of the rubber seal. Additionally, the chemical additives in the suspension oils also age the seal.

Suspension seals are typically made from a nitrile rubber compound, known as NBR.
This is used not because it is the best material for this application, but because it is widely available and very inexpensive.

After 50 years in the rubber industry, following several years of research and testing, Ariete engineers have concluded that the XNBR rubber compound is currently the best for this application due to its wear resistance and chemical resistance.

Although the price of XNBR material is almost twice as expensive as NBR, thanks to Ariete's modern manufacturing technology and distribution policy, their price range is very competitive compared to products from competitors using NBR rubber compound. As a result, the Ariete buyer can enjoy the benefits of a very high-quality, technologically advanced, yet affordably priced product. As an additional guarantee of product quality, Ariete holds ISO 9002 quality certification.

Arisil - special seal grease

Ariete front fork seals are designed to withstand all the various additives used in suspension oils. The application of front fork seals differs from standard engine oil seals because the movement in suspension seals is up and down. Due to this movement, the wear on the seal is many times greater than on a standard engine oil seal.
In addition to the special rubber compound used in the seals, Ariete has selected a special grease (Arisil) that is applied to the inner surface of the seal during installation to minimize seal wear, aid in seal 'break-in', and reduce stiction.
This grease is manufactured in the USA and was originally intended as a lubricant for rubber/metal components in NASA's space program equipment. Arisil grease provides the seal with a longer lifespan, helps maintain elasticity, and increases resistance to chemical influences.

All Ariete front fork seal packages contain a sufficient amount of Arisil grease for both seals included in the package.