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Progressive fork springs

Discussion in 'Motorcycle Tech Talk' started by 08XModel, May 9, 2009.

  1. 08XModel

    08XModel New Member

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    I'm looking at progressive fork springs. Has anyone used this product? I don't want to lower the bike anymore than it is. I'm looking for a better ride and better cornering. Any info would help.
  2. 00 wildglide

    00 wildglide New Member

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    Try adding an once more of fork oil first.I added 1 once more to my '07 FLHTI during the replacement of my fork lowers & it seems to be slightly firmer but still has plenty of compression needed to function correctly.
    Progressive Suspension products are great(imo) but;may not make the change your looking for.I've heard of some installing "gold-valves" from Racetech which modify the dampening & such.I like the inexpensive adjustments first.(don't get me wrong...I've spent a **** load of $$$ on my FLHTI w/no regrets:D )
    00 wildglide.
  3. kenfuzed

    kenfuzed Administrator Staff Member

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    After the first 6 months I changed out my shock fluid using Shock Therapy Medium (STM #10). World of difference, especially here in SCal with the deep freeway rain grooves and potted city streets. Just like 00 wideglide mentioned I too added slightly more than an ounce extra of fluid and this too seemed to help. I believe the original factory fluid is slightly lighter (perhaps #5 viscosity) which rebounds fast in very cold weather but too spongy when warm.

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