What is the differnce between the 440 and 430's?
Duane,
Here is the scoop from Progressive from their website in a nut shell.
440s:
-IAS, Inertia Active System. This seperates wheel movement with chassis movement.
Progressive rate spring around a state of the art damper and top (and bottom!) it off with machined aluminum
end caps.
-A top mount threaded preload adjuster allows for fine tuning with a simple twist of the cap and the 440 Series is available in 2 finishes and multiple spring rates as well as the ideal stock or lowered length for your bike.
430s:
-High pressure gas mono tube design with deflective disk damping to insure high performance ride control
-The 430 Series can also be mounted rod up or rod down, depending on your application.
-Threaded pre-load adjusters allow for tool-less adjustment, and effortless tuning of ride quality.
-First of their kind, machined aluminum spring perches and street rod styling of the new 430 Series are complimented by smooth lines and a polished chrome body.
-Available in chrome or contrast cut black anodized finish to match the look of your bike.
Big difference is the IAS, which I guess I am not quite sure what that can really do for the bike, but sounds good.
I like that both have the eay adjustment too.
I too am collecting a shelf full of shocks like you, HaHa.
Tim