Don't start hating on what the cool kids say is cool Tim. We all know how that went last time.
Oh noes, I didn't know the DB Air had a cool kid following already. I revoke all previous comments. I think maybe I get a gimme on this one as I'm such a open lover of the DB Coil.
I ran an early DB Air on the Range and found it far too progressive, even in the most linear setting. This shock had a slightly different air spring arrangement that is different to the production shock (which I didn't know when I was trying it out) that produced a very progressive spring curve.
I tried a DB Air on the Truax and was actually quite happy with it. It was the most linear of the three DB Air's I tried and the bike ripped up and down with that shock. I never pulled it apart, so I don't know what the internal geometry was on that shock.
I've got a DB Air for the Aurum and I'm having a hard time getting the air spring to my liking. With no volume reducing spacers I set the bike up with the appropriate sag, and could get near the end of the travel, but the mid stroke was very slow (felt over damped as you explained). This is because the spring rate tapers off in the mid stroke. When I tried adding volume spacers the spring got increasingly progressive, so I wound up running less air pressure, which resulted in more sag, and still couldn't get through the last inch of travel. In general I think I'd like the air spring on the DB Air to be capable of producing more linear spring curves.
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