27.5" / 29" Booster, Application: Cross Country Suspension: DebonAir Adjustability: Air pressure via Schrader valve Damping: Charger Race Day 2 Flight Attendant Adjustability: External rebound adjustment, 3-position compression damping: pedal/lockout controlled via Flight Attendant Steerer tube: Aluminum, approx. 265 mm, tapered 1.5" to 1 1/8" Ahead Fork crown: Hollow forged aluminum Upper tubes: Aluminum, 32 mm Ø Lower fork tubes: Magnesium, for disc brakes (PM mount) 160 to 200 mm Ø, 44 mm offset, maximum tire width 60 mm Accessories: Maxle Stealth thru-axle 15 x 110 mm, bolt-on fender, A-head plug, battery Steerer tube diameter 1.5" to 1 1/8" tapered Main color black Brake mount disc brake PM-mount Type/kind Article Fork design Suspension travel 110 mm Wheel size 27.5", 29" The SID SL Ultimate fork is designed to save weight and maximize performance at the highest level of XC racing. Thanks to the integration of Flight Attendant, this is the most intelligent, efficient, and personalized fork in its class. With an air spring inspired by the SID, increased bushing overlap, reduced internal friction, and space for wider tires, this fork offers a lightweight solution for serious racers. The CNC-machined and anodized crown not only adds stiffness but also ensures a striking, high-quality finish. DebonAir+ air spring Charger Race Day 2 Flight Attendant electronic damper with Open/Pedal/Lock settings Flight Attendant function for maximum efficiency, control, and personal tuning Lightest available XC fork 32 mm chassis Rockshox Article number: 738221 EAN code: 710845918018