rockshox super deluxe ult flight attend 210x55progressive air reb55comp30 standard stumpjumper evos2 s6 2021The Super Deluxe Ultimate Flight Attendant is the most advanced rear shock for trail and enduro bikes. Thanks to the Flight Attendant RC3 electronic control system , the shock automatically adapts to trail conditions, eliminating the need for manual adjustments. An optimized main piston provides smooth damping at high speeds, while DebonAir+ allows for precise tuning of the air volume. Product features: Flight Attendant RC3 3 position electronic