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Ti springs

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flag wesley1234567
Posted: Dec 2, 2007 at 0:03 Quote
How much weight do you usually save when getting a ti spring from a normal steel spring?

Are the sprngs the same, so if i am running a 450 lb steel right now will I need a 450 ti spring, and if my spring now is 450 x 2.80 would a 2.75 ti spring fit my shock?

Thanks
flag kylechs5
FL
Posted: Dec 2, 2007 at 0:14 Quote
you save about a half pound or 227 grams for you non americans lol and ti is a softer metal so you need a little bit higher spring rate
flag Hummeroid
Posted: Dec 2, 2007 at 0:19 Quote
DO NOT LISTEN TO HIM.

Spring rate is rated by pounds it takes to compress it one inch. That alone compensates for the difference in material. Do your research before you give someone advice.

Use the same spring rate.
flag wesley1234567
Posted: Dec 2, 2007 at 2:12 Quote
Although Hummeroid u disagree violently with the guy above, and u seem to think u know ur stuff, u still havent done the most helpful thing by answering my question, from what I understand u have said for me to use the same spring rate as in use 450 lb aswell for a ti spring, but will a 450 x 2.75 ti spring be ok, or will it have to be 450 x 2.80 like my current steel spring i have on my dhx shock.
flag billfromthehill
Posted: Dec 2, 2007 at 10:15 Quote
You will need a spring with the exact same dimensions and spring rate as your old one. The second number is the stroke length of the shock, by going to a lower stroke length spring you can run into problems, coil binding, or serious play in the spring. The first number is the spring rate, or how many pounds it takes to compress the spring one inch, so a higher number would mean a stiffer spring.
flag runner
Posted: Dec 2, 2007 at 10:24 Quote
I don't think it would make a difference going from 2.8 to 2.75, I had a 2.75 spring on my bike and I accidentally ordered a 2.5 and it works perfectly. It's probably a bit lighter too, and it worked fine for me.
flag shacabahalla
Posted: Dec 2, 2007 at 14:57 Quote
If your shock is a fox and your spring says 2.80, your shock is a 2.75 inch stroke shock.
Fox write the stroke length of the spring on the spring, not the stroke length of the shock if that makes sense.
So a 2.75 is the perfect spring for your shock because there is no difference between them.
hope this helps

One thing to check, if you can is the free length of the spring, and if it will fit your shock it should do but just incase.
flag wesley1234567
Posted: Dec 2, 2007 at 15:01 Quote
Alright thank you mate have a great day.
flag biffff
Posted: Dec 2, 2007 at 18:17 Quote
wesley1234567 wrote:
Although Hummeroid u disagree violently with the guy above, and u seem to think u know ur stuff, u still havent done the most helpful thing by answering my question, from what I understand u have said for me to use the same spring rate as in use 450 lb aswell for a ti spring, but will a 450 x 2.75 ti spring be ok, or will it have to be 450 x 2.80 like my current steel spring i have on my dhx shock.

Your shock has a 2.75 stroke. Fox specs 2.8 springs, so a 2.75 spring will work fine. Are you happy with your 450. Are you over pre-loading it to achieve propper sag? Remember you are only supposed to use a max of 2 turns on the spring. Find some specs for your bike that tells you what weight goes with what spring. It would suck to spend big $$$$ and not be happy with the spring rate.
I went from a 450 steel spring to a 550 Ti coil on my Faith with a DHX-4, and it is fricken awesome! Wicked small bump, plush and it feels bottomless. I weigh 200 even.
flag wesley1234567
Posted: Dec 2, 2007 at 22:44 Quote
Well I weight only about high 120s maby 130 lb so do u think 450 will be ok on a giant faith.
flag Hummeroid
Posted: Dec 2, 2007 at 22:47 Quote
http://www.tftunedshox.com/springcalc.htm

Just put in your specs, and itll get you a nice range to work with :-)
flag wesley1234567
Posted: Dec 3, 2007 at 0:28 Quote
Ye I dunno, because it recommended a 290 spring and Im currently running 450 and it doesnt feel far off from fine.

Im pretty sure if anything its a 450 or 400.

Ive got a faith so I looked at the 4 bar linkage is that right, either way there wasnt much difference in the spring rating between all linkages.
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