Super Deluxe Ultimate Flight Attendant blends race-proven efficiency with a chassis that is easily tuned to match any frame, creating a versatile package, built for any trail, any time. LinearXL air spring with easy-to-adjust "o-ring" tokens Flight Attendant RC3 electronic damper with automatic 3-position compression adjust and independent Low Speed Compression adjust Base valve with 40% reduction in IFP forces, making it the most supple shock on the market while maintaining perfect traction Main piston compression tunes matched in performance to the Charger 3.2 damper Jounce Bottom Out bumper paired with optional Hydraulic Bottom Out kicks in to offer a soft hydraulic cushion that reduces harsh bottom out Max PSI increased to accomodate higher system weights SRAM Model ID: RS-SDLX-UFA-D1