RockShox Linear XL Air Can Upgrade Kit - 37.5 - 45 mm, Deluxe C1+ / Super Deluxe C1+Riders asked for a shock that bridged the gap between Super Deluxe and Vivid. The Linear XL air can is the answer. With an increase in positive air volume, Linear XL is a ringer for a coil with super supple action at the top of the travel. Improved air without sacrificing tunability Room for 8 bottomless tokens (four in the eyelet and four on the air sleeve), the air volume can be adjusted to fine tune feel Compatible with Super Deluxe C1+(2023+),