Progressive drop in vs. regular
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Joined: Nov 2013
Posts: 71
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From: Bakersfield
Progressive drop in vs. regular
Hey guys anyone have pros and cons of going with the drop in Progressive kit vs the regular lowering kit? I plan on doing the swap when I pull my tubes off to PC the front end and lowers so that's no issue. Looking at the 2" drop version.. Thanks
I went with the full kit. They both accomplish the same thing, but I would bet the full kit rides a little better than the drop in. It accomplishes the drop with additional damper springs combined with a shorter main spring, rather than with a shorter main spring alone. Just seems like all the parts would work better together when they are all designed to work together. It's a bit more work to install as well, but worth it IMO.
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Joined: May 2010
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From: Mass/NH
I put the 422 progressive in the rear of my bike with awesome results. I put the new spring kit from progressive in the front and it made a HUGE positive diff.!! It only cost 90 bucks for the front, 1 hour install. My mechanic buddy measured the handlebar height to floor when the bike was sitting/no rider, then he measured with me sitting on it...after the progressive install, he measured again...when I sat on the bike with the "challenged" stock front springs, the bike went down 2" with me sitting on it...with the progressives it only sagged 1/4" with my fat butt on it!!!! Rides like a dream, better handling. I also used the screaming eagle heavy duty fork oil and love it. I WISH I HAD DONE THIS UPGRADE ALOT SOONER...
Stellar HDF Member
Joined: Nov 2004
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From: So Cal
Also if you want to really improve the forks look into either Mono Tubes or the fork kit and add Race Tech Gold Valves to the Dampers to improve the dampening.
Also use a better Fork Oil , I like SE Fork Oil
Last edited by XARAN; Dec 20, 2013 at 02:13 PM.
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Joined: Jul 2011
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From: New Braunfels, Texas
IMO the better way to lower the forks is with the regular kit over the drop in kit. Using the regular kit shortens the travel distance for the sliders (by adding a 1" or 2" spring spacer that stops the tube from fully extending) and allows you to adjust the amount of preload and your SAG in the forks. Using the Drop In kit is effectively just making a known amount of sag in the front end to lower the forks, with the Drop In kit you can not make correct adjustments to the spring pre load with out effecting the ride height . if your taking the lowers off anyway do it the right way
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I had the drop in's in my softail. I like them but I put mono tubes (also a Progressive product) in my new bagger and I like them even better. They are a little more money but well worth it to me. Stiffer than the springs, yet they ride much better.
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Joined: Jul 2012
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From: Idaho
Let me clairify what I have. I have mono tubes which I thought you were referring to as drop ins. These come with a plasitic c clips that you add or subtract to your desired ride height. These ride way better than a standard drop spring.
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