`- The XV can for DBAir is an additional tuning tool for bikes with significantly progressive and/or highly variable leverage ratios\n- Offers a more linear air spring, which can allow the use of more damping while still using the full travel of the bike\n- It is a tuning feature, not an upgrade, and is only advisable for a certain range of bicycles\n- Includes air valve and 3 outer can o-rings