RockShox MegNeg Air Can Upgrade Kit for Deluxe and Super Deluxe Rear Shocks, 185/210 x 47.5-55mm, Black RS6864

Featuring more tunability than ever before, the Megneg air can provides an even larger negative volume giving you more mid-stroke support, a plusher initial feeling, and more bottom out force using less tokens. Go ahead and tune your shock exactly to your ride.