OIL SEAL DIMENSIONS: 38 x 48 x 7.9 mm TWO WHEELERS SEALING SOLUTIONS SKF fork seal kits for mountain bikes are made of the same self-lubricating compound developed for superior sealing performance in motorcycle applications. SKF advantages:- Compatibility with a wide range of original equipment and aftermarket fork oils- Enhanced water and dirt protection- Capability to withstand UV light- Reduced wear and air suction for longer life- Wide range of tailored sizes to fit most applications The mountain bike fork seal kit from SKF contains two integrated oil seal-dirt scrapers, crush washers and pre-impregnated foam rings. Depending on the fork manufacturer, the kit may consist of two oil seals and two dirt scrapers. - The integrated dust sealing lip is designed as a first guard against dirt entering the fork, thus preventing contamination of the other components in the fork- The integrated oil sealing lip prevents oil from exiting the fork- The special pre-impregnated foam ring within the kit provides enhanced friction reduction to the fork- User friendly for quick replacement during periodical oil service