SID Ultimate Flight Attendant featurings 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. Flight Attendant algorithm uses a suite sensors to read rider and terrain inputs to anticipate the perfect suspension position. 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. Charger Race Day 2 Flight Attendant electronic damper features an automatic three position Compression adjustment (Open/Pedal/ Lock positions) with independent adjustable Rebound. Short fender, AXS battery and charger included Can only be used with the complete 3-part Flight Attendant system (fork, rear shock, power meter). SRAM Model ID: FS-SID ULT FLIGHT ATTENDANT-D1 CALL US TO ORDER 888-722-4662 Attributes Axle/Hub spacing 15x110mm TA Brake Type Disc Crown Material Aluminum Damping Flight Attendant Race Day Damping Adjustments External rebound, Electric control 3 position compression (open/pedal/lock) e-Bike approved No Lower Tubes Material Magnesium Maximum Rotor Size 220mm Maximum Tire Width 66mm Rake 44mm Remote Sold Separately Spring Adjustments Air pressure, Bottomless tokens Spring Type DebonAir Stanchions Diameter 35mm Stanchions Material Aluminum Steerer Tube 1-1/8''-1.5'' Steerer Tube Material Aluminum Travel 120mm Wheel Diameter 29''