RockShox: Climb mountains. Charge descents. SID Ultimate Flight Attendant isn’t like other XC forks, featuring a formidable 35mm chassis that holds the line when you’re on the edge. With the Flight Attendant system, this fork is more efficient and advanced than ever before. The new Charger Race Day 2 Flight Attendant electronic damper features a three-position (3P) Compression adjuster— Open, Pedal, and Lock positions, all at your fingertips. SID Ultimate Flight Attendant adapts to everything from full-gas cross-country to sporty backcountry loops thanks to a new, higher-volume DebonAir+ spring that’s supple at the top of its travel with tons of tunability. FEATURESNEW Remove suspension complexity to elevate your ride experience. Flight Attendant has an all new algorithm that uses a suite sensors to read rider and terrain inputs to anticipate the perfect suspension position. No other suspension system has this level of personalization to match your riding preferences, your terrain, your style, and your physical capabilities. Elevate your ride.NEW Adaptive Ride Dynamics enables the Flight Attendant system to learn from the rider to make smarter, more personalized decisions for greater efficiency and even more speed.NEW Charger Race Day 2 Flight Attendant electronic damper features an automatic three position Compression adjustment (Open/Pedal/ Lock positions) with independent adjustable Rebound.AXS-enabled and cable free, Flight Attendant is an integrated part of the SRAM AXS ecosystem, meticulously crafted to disappear.35mm chassis is the perfect blend of light weight and rigidity for the modern XC bike. Plus, we made it lighter…again.Longer-travel 120mm option, in case you’re feeling extra.Machined crown to shave weight without compromising strength and stiffness.Covetable “Blue Crush” signature colorway and Ultimate High Gloss Black, featuring the new lustrous Pearl White Flight Attendant graphics package.Maxima Plush Dynamic Suspension Lube reduces friction, lasts longer, and enhances suspension performance ride after ride.DebonAir+ provides more small-bump sensitivity and tunable mid-stroke support.Shared battery with all SRAM AXS-enabled components.Flight Attendant System is waterproof to IPX7 rating.Flight Attendant system only gets better with the more AXS components you pair into the system.Short fender compatibility. (RockShox fender included) SPECIFICATIONSModel designator (SF) Ultimate Flight AttendantWheel size 29Travel (mm) 120mmDamper Type Flight Attendant Race DayFork offset 44mm (29)Maxle included Maxle StealthColour (FS) SID Blue Crush - Gloss / Gloss BlackE-Bike Approved Not ApprovedSteerer 1.5 TaperedAxle 15x110mm BOOST™Axle to Crown (mm) 531Brake type (FD) DiscCrown Material Forged, hollow aluminumLower leg type MagnesiumUpper Tube Finish Fast BlackUpper tube type 34mm tapered aluminumDamper adjust Flight Attendant ControlledDamping adjustments Extl rebnd, E-cont. 3 pos comp (open/pedal/lock)Volume reducer 0/3 TokensSpring DebonAir+Max Tire Diameter (mm) 758Max Tire Width (mm) 66Maximum Rotor Size 220mmMinimum Rotor Size 180mmCrown OD (mm) 58Max recommended system weight 331lbs/150kg