Tyre pressure noob ...
 

[Closed] Tyre pressure noob question.

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Got a used CX bike coming my way.
Seeing as I have been getting my MTB TP way wrong for decades, I wondered what my starting point was for these?

Vittoria Cross XG Pro 32mm

I am 76kg (well, plus a couple of sick boy kilo probably) will be used on a mix of surfaces including some hard pack and a little bit of tarmac but also some slippery stuff and loose stuff.


 
Posted : 03/01/2019 2:05 pm
 Bez
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Enough that they squidge just a little bit when you sit on it, then adjust to taste.


 
Posted : 03/01/2019 2:42 pm
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Going to guestimate that you, bike, kit including water will be ~90Kg. And dangerously, the tyre width is true, unlike say a Conti GP4000 28mm that is really ~31mm wide.

The original FastFitnessTips pressure suggester reckons ~55/67PSI (front/rear) for mixed surfaces.


 
Posted : 03/01/2019 2:42 pm
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Perfect, thanks both.

Ha ha, is that right?
That is more than 10% discrepancy.
I have seen a few comments about stated sizes being different to reality.
I shall need to try and remember that somehow.
Now, where to write that down????


 
Posted : 03/01/2019 3:06 pm
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Place heel of hand across tyre. Apply all weight to tyre and you should just feel the rim. That’s how I set mine.


 
Posted : 03/01/2019 5:11 pm