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post #1 of 11 (permalink) Old 03-30-2015, 11:42 AM Thread Starter
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Default Question About Air Shock Setting on XCT

On the Vic XCT, there is a label on the right side saddle bag lid that specifies the air shock pressure for various conditions.

The first column in this label says, "Total cargo and occupant weight" and has various values in pounds. I weigh 175 and might have 50 lbs of junk with me when touring so let's focus on the 225 lb weight row.

The next three columns have a major heading of "air pressure" and each of these three columns has its own sub-heading with the psi values for the 225 lb row as follows:
-No Trunk = 9 psi
-Trunk = 25 psi
-ABS-Tour = 29 psi

So which of these columns should be used in which situation? Of course, the trunk on the Vic XCT is removable. When riding with the trunk off should I use the "No trunk" column with its 9 psi setting? Or, since I have ABS and the Tour model, do I always use the "ABS-Tour" column with its 29 psi value?

What about when I put the trunk on for long distance touring? Do I use the "Trunk" column with its 25 psi value or the "ABS-Tour" column with its 29 psi value?

Thanks for clearing this up for my confused mind.

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post #2 of 11 (permalink) Old 03-30-2015, 12:34 PM
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Those are kinda sorta starting points and seem to cover all the X platforms.
I ride 40psi one up and add a bit for 2 up and travel.
I like a stiffer ride, so this is what I do.

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post #3 of 11 (permalink) Old 03-30-2015, 12:46 PM Thread Starter
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Originally Posted by Lostintexas View Post
Those are kinda sorta starting points and seem to cover all the X platforms.
I ride 40psi one up and add a bit for 2 up and travel.
I like a stiffer ride, so this is what I do.
It makes sense that these are starting points to be tailored to the preferences of the rider but WHICH starting point should be used for me when I am on a XCT with and without the trunk? If it was just an issue of 25 vs 29 psi, it would not matter but starting from 9 vs 29 psi is a world apart.

G'day,

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post #4 of 11 (permalink) Old 03-30-2015, 12:52 PM
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40 psi two up, about 10ponds of stuff in bags.
About 30 psi solo, me 240, 10 pounds of stuff.
1700 mile trip, me 240, bags and trunk filled prolly a little heavy, 35psi

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post #5 of 11 (permalink) Old 03-30-2015, 12:54 PM
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Quote:
Originally Posted by Vinish View Post
It makes sense that these are starting points to be tailored to the preferences of the rider but WHICH starting point should be used for me when I am on a XCT with and without the trunk? If it was just an issue of 25 vs 29 psi, it would not matter but starting from 9 vs 29 psi is a world apart.

G'day,

Vinish
20/25 ...kinda depends what feels Wright to you,
Run it at 9 if you want.....

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Last edited by Weeds; 03-30-2015 at 01:03 PM.
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post #6 of 11 (permalink) Old 03-30-2015, 01:20 PM
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Quote:
Originally Posted by Vinish View Post
It makes sense that these are starting points to be tailored to the preferences of the rider but WHICH starting point should be used for me when I am on a XCT with and without the trunk? If it was just an issue of 25 vs 29 psi, it would not matter but starting from 9 vs 29 psi is a world apart.

G'day,

Vinish

I don't have a chart in front of me. XCT is XCT. Take off the trunk and you lose 45 pounds IIRC, so start at where ever you want and adjust from there. Those are numbers that are supposed to get someone close that needs a quick reference. I find them a bit lacking but some may find them too harsh. As long as you aren't bottoming out the suspension anything above that is preference.

You seem to be thinking about this way too hard.

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post #7 of 11 (permalink) Old 03-30-2015, 01:34 PM
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My XC is a mutt. 8 ball with front and rear crash bars and a HD trunk when I need it. I had the same questions.

Played with it some and it never seemed right. Finally one day I aired the shock up till I knew the bikes rear suspension was fully extended. With the stuff I always carry on my bike, my tire pump, patch kit, syphon hose and some tools in one bag, I let air out till when I sat on the bike the rear would settle between 3/4 and 1 1/4 inch. Took it out road it and that seemed to give the ride i liked. That is 3 to 5 psi, no trunk, no passenger etc. Next pumped it up again a lot higher, put the wife on the back with the backrest and played with the air till I got the same drop with us both on it. Took it out and played with it some more, about 5 lbs each way till it seemed just right to us and put an x in the box with that number on the saddle bag chart. When I load the tour pack for a trip I just shoot for that same amount of sag when I sit on it and it seems to work just fine. I don't measure it anymore I just eyeball it when I sit down on it. Close enough for the riding I have been doing. If I put the wife on I just pump the shock to the number with the x next to it on the chart in the saddlebag and I'm good to go first time.
Bought a 0-20 lb gauge for the riding single at ace hardware for $5. Use that when I return to solo riding to get the air down in the 3-5 range.
Works for me, though the numbers will differ from rider to rider and bike to bike, that's one way to figure out what you need.

There are lots of videos on Utube on setting rear sag.
Here is one I grabbed at random. Not an air shock, not a touring bike but it is a picture of how it is done.

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Last edited by Joe_; 03-30-2015 at 02:29 PM.
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post #8 of 11 (permalink) Old 03-30-2015, 01:56 PM
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If you don't have the trunk on follow the No Trunk guidance and adjust for personal preference from there, if you have the trunk and your bike is ABS use ABS-Tour (Tour assumes the trunk is on). Same deal adjust for personal preference. I tend to like mine a bit stiffer so run about 3-5 psi higher than the guidance.

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post #9 of 11 (permalink) Old 03-30-2015, 03:33 PM
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post #10 of 11 (permalink) Old 03-30-2015, 03:58 PM
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I run 30 PSI all the time. When the Wife is with me on short jaunts I don't touch it. Longer rides I'll add 10....FYI my wife is small and I ain't no heavyweight myself.
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