RockShox Reba RLT - Dual Air 100mm 29-Inch 9mm (White) 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 Adjustment: External rebound / low speed compression / external floodgate and lockout / spring via air pressure Power Bulge technology reinforces the lower leg at the bushing, increasing stiffness and bushing durability 1584g. QR Motion Control DNA Aluminum Steerer 1-1/8" Disc