High-quality fork oil seals in OEM quality, which distinguish themselves from standard NBR (nitrile rubber) oil seals on the market due to their exceptional and unique XNBR (carboxyl elastomer) material. This compound exhibits excellent abrasion and temperature resistance, as well as resistance to the oils and additives used in modern forks for motorcycles and scooters. Each delivery includes a sachet of "Arisil" special grease to extend the durability of the various components. Dimensions (mm): Inner diameter x Outer diameter x Installation height / Total height Article Type Design Fork Oil Seals Outer Diameter 42 mm Features Set Total Height 10.5 mm Main Colour black Inner Diameter 30.0 mm