Dust-proof functionality The oil seal and sponge ring provide effective dust-proofing, preventing dust, mud, and other impurities from entering the front fork interior. This reduces friction, wear, and corrosion, while supporting optimal shock absorption performance. Effective oil storage The Mountain Bike Shock Absorber Front Fork Oil Seal offers excellent oil storage capabilities to lubricate the front fork, prevent hard wear, and improve overall durability. Protection against external contaminants The dust seal guards internal front-fork components from dirt, grime, and moisture, helping extend lifespan and maintain normal operation. Easy maintenance The oil seal and sponge ring are easy to replace with basic bike maintenance tools, making service simple and convenient. Specifications and compatibility Compatibility - Designed for mountain bike front forks as a replacement oil seal for shock absorbers. Components - Includes oil seal and sponge ring. Installation and maintenance - Replacement can be performed with basic bike maintenance tools; straightforward and convenient. Performance and benefits - Improves sealing, lubrication, and longevity of the front fork. Use scenarios - After riding in muddy or dusty conditions: replace the seal to prevent contamination and maintain fork performance. - During routine fork maintenance: install to restore sealing and lubrication for smooth operation. - Pre-season or long-term storage: protect internal components from moisture and dirt to preserve performance.