RockShox Reba RL Tapered Steerer Crown Adjust Solo 100mm Air Fork, Black, 29-Inch With Solo Air you add air to your forks through a single Schrader valve, filling both the positive and negative air spring chambers simultaneously Weight: 1584g Motion Control will chew up climbs with incredible efficiency while the lockout blow off valve and threshold control immediately absorb any bumps Features printed Air Guides on fork legs Maybe not a technological feat, but it will help you set up your suspension in seconds instead of minutes