Ohlins complete fork seal head assembly for all Ohlins 3-chamber air cartridge forks. The kit includes an updated m.2-spec "L-cup" scraper to ensure less oil and dirt ingestion, also increasing negative volume. Great upgrade for older RXF forks.Complete seal head replacement for all Ohlins forks with 3-chamber air spring cartridgesBlue seal head features an upgraded scraper that significantly reduces oil ingestion, enabling the use of more bath oilThe "Blue" seal head also has more negative volume available, which means a more supple off-the-top feel, and helps combat initial stictionIncludes a white volume spacer pre-installed to help tune the negative air volumeRetrofittable to all 3-chamber forks: RXF 36, 38, and DH38 Ohlins Air Spring Seal Head Assembly Air Springs & Parts UPC: 840153641558