RockShox SID Flight Attendant D2A formidable 35mm chassis with the Flight Attendant system, this fork is more efficient and advanced than ever. The Charger Race Day 2 Flight Attendant electronic damper features a three position (3P) Compression adjuster Open, Pedal, and Lock positions. Algorithm that uses a suite sensors to read rider and terrain inputs to anticipate the perfect suspension position. Fork only mode for hardtail bikes and customizable Auto Mode to disable ''Pedal'' or