Upgrade your ride. The highly tunable DebonAir air spring is ready for whatever the trail demands. Buttery smooth feel off the top, now optimized to maintain higher ride height and add more confidence on technical terrain. Riders who have compatible DebonAir air springs who don’t wish to change travel or need the full assembly can benefit from this simpler upgrade option.Includes the DebonAir new seal head, and foot nut,Compatible with LYRIK/YARI A1+ (2016+)/PIKE B1+/Revelation A1+ (2018+).