Psf2 vs sff air

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3/3/2020 7:40 PM

I’m swapping them onto a rm125. Do you think one would work better then the other after being set up for the lighter bike?

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3/4/2020 2:22 AM

ecmx274 wrote:

I’m swapping them onto a rm125. Do you think one would work better then the other after being set up for the lighter bike?

I’d say the PSF-2 will have less stiction from less seals. Especially at the lower spring pressures of a 125. The sff have a lot of seals.
I run psf1 on my cr125 and very happy.

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3/4/2020 6:42 AM

Well tuned, either is fine. Whatever fits best on bike.

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Livin' the dream, two wheels at a time!

3/4/2020 4:13 PM

I look look at the ssf air since they should fit up much easier and their adjustability means you wont have to swap out the balance springs.

Since the bike is so much lighter than the 450, your gonna be running much lower pressures. The skf glide kit makes them run a lot smoother also

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