The Vit 701 suspension thread

Concerning the oil it is on the table also, but it won't change my preload setting. For the springs the guy told me that the cups may need to be adapted. But I find it quite strange that we cannot get a direct stiffer replacement from WP...
 
I am totally confused.
What do you mean that heavier fork oil changes effective ride height? And how is that mutually exclusive from also effecting preload?

I just left a phone message with Race Tech Suspension to see if they have developed any internals for the WP suspension components, Apex in this case. Will report back
 
Effective ride height while riding isn't only depending on spring preload & rate. Why? The constantly moving up and down from the forks (due to the road) makes the forks "lean" on the compression damping to a certain extent. With heavier compression damping the effective (or dynamic) ride height will be higher than with less damping.

Remember how too much rebound damping in a rear shock can make the bike "squat" constantly (because it doesn't have time to rebound)? It's baasically the same effect.
 
Ok, so you’re saying that given all other fork internals unchanged that with this WP Apex suspension a heavier fork oil will cause the forks to ride higher in the stroke? Interesting.
 
It's been a while, but I emailed them about those valves when I was looking to upgrade my forks.
They had at that point never had their hands on a vit or svart 701 and just assumed the fork internals would be the same as the sumo 701.

I also think a sumo would need different damping characteristics compared to a Vitpilen.
But they just sell one product for 3 completely different bikes.
 
Can someone please explain the difference between these two springs, or what the numbers mean.

(37) 4.5-6.5-10.7-350 (Svart 701)
(27,5) 6-345 (Vitpilen 701)
 
Can someone please explain the difference between these two springs, or what the numbers mean.

(37) 4.5-6.5-10.7-350 (Svart 701)
(27,5) 6-345 (Vitpilen 701)
Let me rephrase this question.

I know what they should mean. The vitpilen spring has a 6 Nm rate with 345 mm free length, the question is why does the 27,5 means?
Also, why does the Svart spring has 3 different rates listed together?
 
I thought about the progressive spring also, as there is only one reference (43578199) even if there are multiple stiffnesses.
For the 27.5 and 37 numbers I have no idea : maybe a call to a WP center could give us this answer?
 
Does the Svart have a progressive spring? That would likely answer it.
I have not serviced them yet so I don't know, but, if they happen to be progressive, then those numbers would indicate the range of spring stiffness?
 
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