eraser Posted August 17, 2011 Share Noticed someone in the classifieds selling his Fox F Series cartridge after unpgrading to a Fit cartridge, whats the improvement? Link to comment Share on other sites More sharing options...
DMC007 Posted August 17, 2011 Share Its FITness level is much higher. Link to comment Share on other sites More sharing options...
Mecnic Posted August 17, 2011 Share The FIT is basically a self contained dampening system. Main differences are: It's lighter (Less Oil)It uses different oil which does cavitate as muchThe FIT cartridge ha rebound lockout, low speed compression and lockout force adjustment Read more Click me Click on the technology and then the FIT icon and it explains there Edited August 17, 2011 by Mecnic Link to comment Share on other sites More sharing options...
Johan Bornman Posted August 17, 2011 Share ]As Mechnic says. In addition. It uses a rubber bladder to contain the oil in a smaller space. It works like this: when the fork is compressed a metal rod enters the oil chamber and takes up space. That space is seen as a rising oil leve. In the old system where the oil splashed around in an open bath, the rising level wasn't a problem. There was lots of it and lots of place for it to expand to. In an effort to lighten the fork, Fox has shed some 100ml oil by using a closed system. The bladder is located at the top of the damper cartridge and any excess oil generated by an entering rod, simply stretches the rubber. The system is bled so that there is no air in. Its a valid technique for reducing oil. The downside is that the bladders pop out of their end pieces, creating expensive repairs that weren't present in the previoius open bath system. Marzocchi has been using the bladder system for years. Fox just discovered it and resucitated it as FIT. A popped bladder, resulting in a faulty fork and expensive repairs. I hope Fox has a foolproof way of locking the bladder into its end caps[/i]. Link to comment Share on other sites More sharing options...
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