I assume that the Maxx Extreme struts have threaded platform tubes plus 2 1/4" springs. the adjustable platform type are desireable on two fronts - 1) adjustable ride height and 2) large selection of alternative spring rates. I am surprised that the Maxx struts have 65lb/in springs as the standard springs are 80lb/in and the general concensus (here at least) is that the stiffness needs increasing for fast road and track use. I reckon on 100lb/in springs for fast road use and others use higher rates for more competition bias. As regards the Maxx Extreme struts for daily use relating to their maintenance it depends on your own maintenance regime. I would have no trouble keeping them working even though I would do around 10,000mls/yr. If however you require a fit and forget system then get your spring rate and length sorted first and use a fixed platform strut.
Clive
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