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suspension sag


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Sag is what you set on dirtbike's..doesn't apply to quads. You should be concerned soley with ride height after you have the proper spring weight selected. It all depends on what kind of riding you do. For MX, an ideal setting is about 8 in or so from the lower frame rails by the footpegs to the ground. adjust your preload to obtain that height. Preload shouldn't be used to overcompensate for weak springs and poor damping. It's sole purpose is to adjust the ride height of the machine. It's all a ballance and it's a pain in the ass to setup right. Plus it gets expensive and time consuming changing springs and re-valving trying to get that ballance. I like to set mine so the front end is about an 1 1/2 higher then the rear frame rails. It provides a good attack angle and helps ballance the machine out..but it also cause you to bottom out on the rear end first when you mess up.

Edited by MotulMonsta
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Thats funny, cause the first thing Todd @ TCS told me to do once I put on my new rebuilt rear shock is to adjust the sag.

 

He said that the sag should be about 4 inches....so how you measure the sag is too....

 

Measure the height of the grab bar from the ground to the middle of the bar.

 

Then sit on the shee and measure again from the ground to the middle of the bar.

 

You should have 4 inches difference. If you have more than 4 ..... tighten the spring by turning it. And if you have less than 4 inches....loosen the spring by turning it.

 

You can call Todd if you have any questions.....thats what I did.

 

Again, thanks Todd my rear has never been so soft and squishy.......works great.

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Thats funny, cause the first thing Todd @ TCS told me to do once I put on my new rebuilt rear shock is to adjust the sag.

 

He said that the sag should be about 4 inches....so how you measure the sag is too....

 

Measure the height of the grab bar from the ground to the middle of the bar.

 

Then sit on the shee and measure again from the ground to the middle of the bar.

 

You should have 4 inches difference. If you have more than 4 ..... tighten the spring by turning it. And if you have less than 4 inches....loosen the spring by turning it.

 

You can call Todd if you have any questions.....thats what I did.

 

Again, thanks Todd my rear has never been so soft and squishy.......works great.

Stirrin the pot I see. That's intresting.

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Thats funny, cause the first thing Todd @ TCS told me to do once I put on my new rebuilt rear shock is to adjust the sag.

 

He said that the sag should be about 4 inches....so how you measure the sag is too....

 

Measure the height of the grab bar from the ground to the middle of the bar.

 

Then sit on the shee and measure again from the ground to the middle of the bar.

 

You should have 4 inches difference. If you have more than 4 ..... tighten the spring by turning it. And if you have less than 4 inches....loosen the spring by turning it.

 

You can call Todd if you have any questions.....thats what I did.

 

Again, thanks Todd my rear has never been so soft and squishy.......works great.

Do you by any chance have the SCS shocks? If so that is why - terminology guys.

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Thats funny, cause the first thing Todd @ TCS told me to do once I put on my new rebuilt rear shock is to adjust the sag.

 

He said that the sag should be about 4 inches....so how you measure the sag is too....

 

Measure the height of the grab bar from the ground to the middle of the bar.

 

Then sit on the shee and measure again from the ground to the middle of the bar.

 

You should have 4 inches difference.  If you have more than 4 ..... tighten the spring by turning it.  And if you have less than 4 inches....loosen the spring by turning it. 

 

You can call Todd if you have any questions.....thats what I did.

 

Again, thanks Todd my rear has never been so soft and squishy.......works great.

Do you by any chance have the SCS shocks? If so that is why - terminology guys.

Please explain.

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Sag control series shocks from TCS utilize a very light spring rate spring to allow for a decreased ride height with out sacrificing travel, commonly ussed on MX bikes. Todd uses the term "sag" when sugesting ride height / pre-load adjustment as not to confuse the issue because it's in the name of that line of his shocks. Sag is a commonly missued term in the industry. Ever hear of anyone setting sag on the front of their quad? I doubt it, most set ride height.

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Thanks for the explaination. I just haven't gained a full understanding of all the various terms used with shocks. I hear things like SCS, zero-preload, sag control, etc. I'm still trying to learn all of the terms before I lay out any money.

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You're welcome. I'm partial to TCS simply because I have a working relationship with the owner through my job (he buys / uses a lot of our springs). I have his front shocks, and re-valved rear and they work great. There are other companies out there that build great shocks too, its all about getting a set made to your needs. Todd's customer service and prices are what sold me, technology and parts (for the most part) are all very similar. It is very easy to spend a lot of money and get results similar to someone who spent a lot less. Good luck!

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You're welcome. I'm partial to TCS simply because I have a working relationship with the owner through my job (he buys / uses a lot of our springs). I have his front shocks, and re-valved rear and they work great. There are other companies out there that build great shocks too, its all about getting a set made to your needs. Todd's customer service and prices are what sold me, technology and parts (for the most part) are all very similar. It is very easy to spend a lot of money and get results similar to someone who spent a lot less. Good luck!

It really is in the hands of the builder. I think dunedemon probably has the most experience with suspension builders that I know ;) .

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You're welcome.  I'm partial to TCS simply because I have a working relationship with the owner through my job (he buys / uses a lot of our springs).  I have his front shocks, and re-valved rear and they work great.  There are other companies out there that build great shocks too, its all about getting a set made to your needs.  Todd's customer service and prices are what sold me, technology and parts (for the most part) are all very similar.  It is very easy to spend a lot of money and get results similar to someone who spent a lot less.  Good luck!

It really is in the hands of the builder. I think dunedemon probably has the most experience with suspension builders that I know ;) .

HA! I've really got you guys fooled :clap: Thanks for the kind words :cheers:

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