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2005 DHX 5.0 question

May 2, 2007, 5:32 p.m.
Posts: 8830
Joined: Dec. 17, 2004

What is the air pressure for on the 2005 DHX 5.0 Coil. I tried the website but my computer wont load it. Also, what is the minimum and maximum air pressure that can be run.

Thanks alot.

May 2, 2007, 5:37 p.m.
Posts: 113
Joined: Feb. 10, 2006

75-200, according to my 2005 manual.

May 2, 2007, 5:45 p.m.
Posts: 8830
Joined: Dec. 17, 2004

do you know what it affects?

May 2, 2007, 6:04 p.m.
Posts: 5228
Joined: Nov. 21, 2002

do you know what it affects?

It

May 2, 2007, 6:41 p.m.
Posts: 11680
Joined: Aug. 11, 2003

The Boost valve (the schrader) adjusts how much the shock will ramp up.

May 2, 2007, 6:44 p.m.
Posts: 5228
Joined: Nov. 21, 2002

The Boost valve (the schrader) adjusts how much the shock will ramp up.

No, the big blue thing at the end adjusts that, the amount of air in the shock changes the amount of propedal, and basically how stiff the shock is.

May 2, 2007, 6:50 p.m.
Posts: 8830
Joined: Dec. 17, 2004

the 600# spring feels really good. I think because its so much longer, the spring itself has less leverage on it making it plusher in the first bit. Not sure though.

May 2, 2007, 10:36 p.m.
Posts: 0
Joined: Nov. 28, 2006

The air valve adjusts your "Overall compression damping" according to fox. It has an affect on both the propedal and the bottom out. The propedal is basically low speed compression and the large bottom out knob is basically high speed compression with the air valve being used to find generally how firm or soft you like your compression. You can then fine tune the high and low speed comression using the Propedal and Bottom out knobs.

May 2, 2007, 11:42 p.m.
Posts: 4329
Joined: Oct. 24, 2005

The higher the air psi, the more progressive it is.
Propedal adjusts low speed comp, and you change the chamber size and psi to adjust high speed comp and dial in progressivity.

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May 3, 2007, 5:29 a.m.
Posts: 1426
Joined: Feb. 18, 2005

min. of 75psi otherwise the compression damping circuit won't work and you can risk damaging your shock…or yourself!

i run about 90psi for an active ride more like the old Fox Vanilla RC, around 150psi if you are doing alot of pedalling and want a firmer ride, and for the bike to "sit up" in the corners

just comes down to personal preference, riding style, body weight, bike model, etc.

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May 3, 2007, 4:51 p.m.
Posts: 2943
Joined: Dec. 15, 2005

but remember you cant have the bottom out ramped up if the shock has more than 120 psi

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May 3, 2007, 5:15 p.m.
Posts: 14605
Joined: Dec. 16, 2003

but remember you cant have the bottom out ramped up if the shock has more than 120 psi

Sure you can, they just advise not to crank it up with the pressure over 120psi, since cranking it up reduces the air volume in the boost valve, thereby raising the psi, possibly too high.

Once you have adjusted the bottom out to were you want it, even turned up all the way, you can raise your psi to max. 200 psi if you like. Although if you're needing that much pressure in the boost valve, you likely have a spring that's too light and are using the compression damping to make up for it. That all makes for a crappy feeling shock.

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