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Old 11-23-2014, 06:16 PM   #1
samalama OP
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Location: Taos, NM
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Hyperpro vs Stock spring rate?

I just installed my Hyperpro rear Spring today. What a difference!
However, I have a technical question.
The springs says it is a 1320. For the life of me, I can't find any comparisons to the stock spring. What is the difference between the stock spring vs the HP?

BTW, I also replaced the stock upper bolt while I was at it with a 12.9. The stock bolt was slightly bent! I have 7k on the bike. Can't imagine what would have happened if I had left it in there for much longer.

Especially since I am going to Baja in:


Thanks
Sam

samalama screwed with this post 11-23-2014 at 06:24 PM
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Old 11-23-2014, 06:37 PM   #2
Indy Unlimited
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most people order the shock with the spring for their use and sag preference.
"there is no stock hyperpro spring rate"
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Old 11-23-2014, 10:57 PM   #3
itsatdm
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The stock spring is variable and the rate is 15.7-16.7kg/mm. I can't find a rate for the Hyperpro rear, though somewhere I got the number for the front.

The coils are .5mm larger in diameter if that helps.
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Old 11-24-2014, 07:46 AM   #4
samalama OP
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I wasn't looking for the stock Hyperpro spring rate. I am asking if the spring shipped with the F800 has a stock rate. And more specifically, what does the number 1320 mean or correlate to in terms of spring rate.
The difference between the springs on the bike is amazing! Hyperpro definitely takes th cake for what a bike should feel like.

Quote:
Originally Posted by Indy Unlimited View Post
most people order the shock with the spring for their use and sag preference.


"there is no stock hyperpro spring rate"
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Old 11-24-2014, 09:08 AM   #5
itsatdm
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I gave the stock spring rate. http://racetech.com/ProductSearch/2/...0%20GS/2008-12

My Hyperpro spring has that number. It is probably just a model number, as they have shorter versions to lower the bike.
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Old 11-24-2014, 03:13 PM   #6
smitty141
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I bought my 2010 F800gs used. The PO installed Hyperpro springs front and rear. This is the best riding bike I have ever owned. Not sure of the spring rate, but it is perfect for my.

Not sure if they only make one spring of many for the 800, I'm 205 lbs. and this is my favorite bike of 4.

Smitty
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