Compatibility: [forks] RockShox Boxxer C2, Lyrik C2, Pike B3, SID B2, SID B4, SID A1, [air springs] DebonAir, Solo Air Includes: 2 dust seals, 2 foam rings, o-ring seals, 1 chgr2 damper sealhead, 1 debonair (silver) sealhead.