Tyre Pressures on Rode Bike

Hi all..

Over the past two weeks I have been pumping my tyres up to 120 front an back.. Two Gawler Wheelers rides I have noticed with cross winds I seem to be getting knocked around a bit more than previous rides when I use to have 110 pressure in my tyres. Would the extra pressure be making me lighter on the road causing me to be effected by cross winds more than what I was use to ? 

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Permalink Reply by RD6 on April 19, 2012 at 20:36

Terry, what make / model tyres you running on ?

Permalink Reply by terry heney on April 19, 2012 at 22:52

RD6...

Vittoria Rubino's 

Permalink Reply by Martin Turner on April 19, 2012 at 21:05

Youre meant to put air in your tyres??????

Permalink Reply by Gary Mills on April 19, 2012 at 21:06

Terry 110psi is adequate for you. 120psi will give a harsher ride

Permalink Reply by Darren Bosanko on April 19, 2012 at 21:31
Don't use hydrogen....remember the Hindenburg....
Permalink Reply by Frank on April 19, 2012 at 21:52
You changed the pressure by less than 10%, I be checking the direction of the wind or just forget about it, at ur weight, 110 should be fine, same as my weight and that's what I run at!

Oh, also on warm days I pump up less as the pressure builds in tyre as temperature increases and vice versa! Hot days, I run even less!
Permalink Reply by terry heney on April 19, 2012 at 22:58

Thanks to all of you Biker Guru's helping me out with my problem...110 will be used from now on.. Just another point with tyre pressures considering wet weather is on it's way soon. Is it best for safety to reduce the pressure in tyres to reduce fish tailing ???? lmao

Permalink Reply by Don (Who's lost?) Nairn on April 19, 2012 at 23:23

As you reduce pressure tyre foot print of the tire will get bigger so more grip and harder to push.

A better alternative may be to get a slightly wider tyre with some tread on it for riding in the wet.

if you intend to ride in the wet a lot would a different bike be worth a thought?

One with wider treaded tires, mudguards and lights

Permalink Reply by Belinda Hoare on April 19, 2012 at 23:43

120 psi doesn't make you lighter, but it does reduce your tyre's rolling resistance due to smaller contact area with the road (there's a reason we racers pump our tyres up to 140 psi...).  Makes perfect sense that you'd therefore be blown sideways a little more than 110 psi.

Permalink Reply by Shav Bird on April 20, 2012 at 10:23

I know with my tires I can pump them up to 120psi if I want to for less rolling resistance, but I choose to pump them to 110 for better comfort. In a race, higher tire pressure is better, but for sportive riding, slightly less is better for comfort. That's what I have noticed anyway.

Permalink Reply by Max Stevens on April 20, 2012 at 13:05

No not at all, wind hits the rims. 120 is good, very good, make sure you have good quality tires through. Always pump up your tires before a ride or check they are 120 psi. Even if you have ridden the day before, checking your tires is like putting on your shoes, you do it always before you ride.

A firm pressured tire will save the odd punture too, it's harder for those three corner jacks to get through and a hell of a lot safer. 

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