Part Number RS4315032615. Genuine Rockshox 50hr Service Kit for Deluxe and Super Deluxe Air Shocks. Models such as RT, RT3, Select, Select+, ReAktiv, Ultimate, Thru-Shaft, RLR. This is compatible with nearly all of the Deluxe and Super Deluxe shocks from 2017 up to and including 2022.
