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[ltank]

Are they any good? Seems to me that one slider is compression and the other slider us rebound, would make bike unstable in turns
with a wide front end. Guess a fork brace would help. The left and right side would compress and rebound different because the wheel does what the axle does.
  Does the more expensive Traxxion and 25/30 mm Ohlins work the same way?

[grc]

Are they any good? Seems to me that one slider is compression and the other slider us rebound, would make bike unstable in turns
with a wide front end. Guess a fork brace would help. The left and right side would compress and rebound different because the wheel does what the axle does.
  Does the more expensive Traxxion and 25/30 mm Ohlins work the same way?

If the product you're talking about is the one pictured below, I agree that having only one spring located in only one leg, and one damper assembly (monotube) in the other leg, could easily lead to stiction and binding of the forks.  To me it just looks like a cheap way to approximate the much more sophisticated forks available from Showa on other bikes, with externally adjustable spring preload on both legs as well as externally adjustable compression and rebound damping.  That's the right way to do it.

If you decide to try the Progressive system, I'd definitely suggest a good fork brace.

Jerry

[ltank]

I just looked at Ohlins website. Theirs 25mm units work the same way! This is copied and pasted from their site!
The Öhlins FKC 101 Cartridge Kit features the high-end internal components of 8 mm steel shafts, aluminum damper tubes, and 25 mm pistons. The kit has NIX-type damping: one fork leg has compression only, while the other leg takes care of rebound only. By segregating compression from rebound, the NIX-type system maximizes the damping that’s available within the confined diameter of a fork leg.

[garya1]

I just looked at Ohlins website. Theirs 25mm units work the same way! This is copied and pasted from their site!
The Öhlins FKC 101 Cartridge Kit features the high-end internal components of 8 mm steel shafts, aluminum damper tubes, and 25 mm pistons. The kit has NIX-type damping: one fork leg has compression only, while the other leg takes care of rebound only. By segregating compression from rebound, the NIX-type system maximizes the damping that’s available within the confined diameter of a fork leg.

All of what you state is true. However unlike the progressive system, the Ohlins has a fork spring in both forks. Smooth as butter. The other benefit to separating compression and rebound dampening is it eliminates the time lag when EACH leg has to adjust from a compression to rebound dampening mode.

It is not really the same on the progressive as only one leg has a sealed gas shock and the other has the spring. You get what you pay for, about half the components for about half the price with progressive and a smaller percentage of improvement versus a dual cartridge system.

[michaelokielee@yahoo.com]

Correct me if I am wrong, but I believe my 02 Electra Glide came with different fork tubes. I can not remember what the difference was, but I do remember they held different amounts of fluid.

[grc]

Correct me if I am wrong, but I believe my 02 Electra Glide came with different fork tubes. I can not remember what the difference was, but I do remember they held different amounts of fluid.

I forget which model years were involved, but Harley did for a time have a front fork setup where one side had a cartridge style damper and the other had a traditional damper rod, and each side had a different amount of fluid specified due to those different damping setups.  The '02 EG for instance had the following damper part numbers installed:

46209-02   DAMPER, LEFT FORK              $98.49   
45891-97   DAMPER TUBE, RIGHT FORK   $12.49     

Jerry

[grc]

All of what you state is true. However unlike the progressive system, the Ohlins has a fork spring in both forks. Smooth as butter. The other benefit to separating compression and rebound dampening is it eliminates the time lag when EACH leg has to adjust from a compression to rebound dampening mode.

It is not really the same on the progressive as only one leg has a sealed gas shock and the other has the spring. You get what you pay for, about half the components for about half the price with progressive and a smaller percentage of improvement versus a dual cartridge system.

Absolutely.  Comparing the Progressive offering to the Ohlins is like comparing a Timex to a Rolex.

Jerry

[michaelokielee@yahoo.com]

Thanks Jerry, that's was it.

[ltank]

Well it seems the Ohlins, Traxxion and Progressive all work the same way. Not a big difference in price between the two so, I will start saving for the Ohlins. I assume there are mods to fit as does the Traxxion. I am wanting for my Hyperpro shocks. I hope the work as well as the Ohlins. I wanted 12.5" Shocks and I did not see them listed for Ohlins but Hyperpro had it,  they have progressive springs the Ohlins do not. At least that's what  I was told. I am reworking my seat. Easier sad than done. And getting floorboards. Wow. Almost a Dresser! Wannabe!