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Discussion Starter · #1 ·
I just received a kindshock I900R 75/300mm. The problem is that it is too short out of the box. It is now 65 mm extended iso the required 75 mm.
I tried to pull on it, but it doesn't extend.

The other problem is that it is also a bit short for my frame, with the extra 1 cm that it should have, it would clear the minimum insertion mark in my frame and be only a bit over the minimum insertion mark of the post. If I am certain that it will extend a further 1 cm, I could install it on my bike and try to extend it like that.
But if it is still too short, I would have to sent it back and if it has been installed, that could cause problems. I weigh 75 kg and only ride XC/trail, so no jumps. So I would expect that the seat post would be able to hold this.
 

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Discussion Starter · #3 ·
The price is almost the same. 75 was enough for me and the weight was also a bit less, which was one of the main reasons I took this one.

Is it normal for this post, that it is impossible to lower the post by hand?
I have not installed it yet, but I tried to press the seat post down to see if it would come up completely afterwards, but I really cannot get the thing moving.
 

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The KS posts are a bit stiff when new/left unused for a while. If you run it a few times, the post will work smoothly.

As for it being too short, I'd get the 125mm version just in case you swap frames down the road.
 

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Trevorken said:
The price is almost the same. 75 was enough for me and the weight was also a bit less, which was one of the main reasons I took this one.

Is it normal for this post, that it is impossible to lower the post by hand?
I have not installed it yet, but I tried to press the seat post down to see if it would come up completely afterwards, but I really cannot get the thing moving.
Yes it's normal for KS to be harder to lower by hand, you got to lean into it. On the bike it's makes no difference.
 

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Discussion Starter · #7 ·
Just as a followup:
I sent the post back and received a 100/350 one now.
I just put it on my bike to see if it works, and after pulling the saddle up, there is completely no stiction. Now I have to change the red parts for the blue ones that I have and then I can really install and try it.
 
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