Features: Engineered with two leakproof technology featuring H NBR oil resistant seals and integrated spring loaded sealing for 1 millions reciprocating cycles, this 43x55x11mm fork seal eliminates oil leakage in suspension systems. precise designed with 0.2-0.3mm lip interference dust covers, it withstands -40°C to 120°C extremes while protecting axles through stepped wiper lips. Ideal for 125-250cc motorcycle owners seeking durability shock absorbing components for both commuting and off road adventures. Performs reliably across harsh environments including desert heat, muddy trail, and winter roads, with salt sprayed tested metal covers resisting corrosions for 500+ hours in humid or coastal conditions. Tool less installation via snapping on dust covers and included alignment sleeves prevents lip damage, while built in grease channels enable maintenance without disassembly – perfect for DIYer enthusiasts upgrading motorcycle fork seals. Specifications: Component: rubber Color: black Weight: 100g Size: Approx.6cm/2.36inch Package Includes: 1 Pair Front Fork Oil Seal note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.