Well that's interesting PM !  I prolly weigh more/less in the same 
ballpark and I first tried the BB @ 25-30 psi but found the rear(Rhyno Lite 
rim) a bit bouncy on the road, and the front felt like it was gonna roll 
off the rim(25mm Mavic) when I leaned hard into corners.  Felt like is one 
story, actuality is another though and I wasn't in the mood to find out.  I 
suspect that sense of rollover though is from the large round profile 
tires, something I've never ridden before.  Off road I would go much lower 
though as these are not pleasant at 35 psi. !   I have lots of steep curvy 
roads around here

   On my "road" bike I run some Forte Metro 35mm tires @ 35-40 psi, 
sometimes less, and they feel awesome, though the 531ST tubing, long 
wheelbase and relaxed angles all help. 


Quite seriously, I don't want to step on Garth's or any one else's toes, 
> but I'm 175 lb and I ran 50 mm tires, and paper thin ones at that (Furious 
> Freds, 360 grams each) at 20 psi on dirt, sub 30 on pavement. 60s if stiff 
> sidewalled Big Apples at 16-17 dirt and about 21 pavement, supple ones 
> 18-20 dirt, 25-6 pavement (generally, I just leave them at the lower 
> pressure unless I take an extended pavement ride). I just found that when I 
> pump my 28 mm Compass extralights rock hard, the digital gauge reads 51 
> psi; should run them at 45. I put 80 f/90 rear in supple 22 mm tires. All 
> this often includes freight loads up to 40 lbs.
>
> Don't overfill! Pinch flats -- I *never* get pinch flats for some reason 
> -- can be avoided by being just a very little bit careful.
>
>
>
>
>

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