Ohlins service kits help in retaining optimal performance of all versions of the TTX22m rear shock.Complete O-ring service kit for 200-hour rebuild of the TTX22m coil shockFor all versions of the TTX22mIncludes all sealing O-rings and new fill screws for all cylinder head typesRequires the use of a vacuum-fill machine, an Ohlins-specific Nitrogen fill needle, and specific hand tools to fully dissassemble damperIntended for use by service centers Ohlins TTX22m Rear Shock Service Kit Rear Shock Service Kits UPC: 840153639784