Introducing RockShox Signature Series Generation Service Kits! Signature Service kits are meant to simplify bike maintenance and reduce the amount of kits you need to buy. Previously, there were up to 11 kits per model; now, there is one. 200-hour / 1-year service kit Includes Dust Seals, Foam Rings, O-Ring Seals, Sealheads Compatibility: The SID SL 32mm Signature Series Service Kit is compatible with the following: Model Year: 2024 or later Generation: D Fork Model: SID SL Select SID SL Select+ SID SL Ultimate