RockShox SID XX World Cup - Dual Air 100mm 29-Inch (Keronite) Motion Control DNA damping mechanism is lighter than its predecessors while still offering smoother, more consistent damping performance 100mm of Dual Air travel, featuring adjustable positive and negative air spring chambers for easy and nuanced suspension tuning Hollow, 1 piece carbon fiber crown and tapered steerer tube for extremely light weight and precise steering control External rebound, open and lockout with Floodgate via XLoc remote 1582g with Maxle Lite 15. Maxle Lite 15 Motion Control DNA XLoc Remote Right Tapered Carbon Steerer Disc