Are there different air can options for a more progressive or linear feel? Yes! There are two air can options: Solo Air and DebonAir+. Solo Air is offers a more linear air spring curve, while Debonair gives a more progressive air spring curve. Related articles Can I change my RockShox DebonAir or Solo Air fork to Dual Position Air (or vice versa)? What is the difference between the RockShox DebonAir+ Linear air can and Progressive air can? Can you mismatch the number of positions your SID/ SID SL and SIDLuxe have? For example, is it possible to have a 3P fork and 2P rear shock? How much air should I have in my RockShox rear shock for my rider weight? Can I change between the RockShox DebonAir+ Progressive and Linear air cans?