Pirelli Pzero family tire discussion thread.

[silvalis]

Not what you asked for, but my Pzero velo 25 (not 4s) measure 27.18 (both f+r) on velocity A23 (18mm) rims after about 2500km.

[gregslo]

Not what you asked for, but my Pzero velo 25 (not 4s) measure 27.18 (both f+r) on velocity A23 (18mm) rims after about 2500km.

Thanks for reply ! Yes now I have to transform 18mm into 17c rims Can't find any reference for rim inner diameter of my fulcrum racing quattro lg I need some winter training tires. Last year I had crash because of vittoria corsa g+ 25. Not handling very well in wet icy weather.

[silvalis]

I'm pretty sure the "LG" models denoted 17mm inner rim width. The outer was something along the lines of 23mm

So I would expect it to marginally narrower.

[gregslo]

I'm pretty sure the "LG" models denoted 17mm inner rim width. The outer was something along the lines of 23mm

So I would expect it to marginally narrower.

Exactly So I guess I'll have pirelli tires for winter Thanks for help !

[gregslo]

Late feedback for someone looking for same information. After 2000 km and 100 psi 4S on fulcrum racing quattro 17C rims tire width is 28.5 mm. Still not rubbing into my frame so everything is ok. So around 3.5 mm more than specified. I wonder 28 mm is effectively 30 mm ?

[Hexsense]

on a huge 23mm internal width rim (30mm outside):
Pirelli Pzero Velo 25c -> 29.8mm
Pirelli Pzero Velo 28c -> 30.89mm

The 28c is noticeably taller, as expected though.

[Jackofallgrades]

Anybody have any experience with the 23mm version and measured widths?

[neeb]

Anybody have any experience with the 23mm version and measured widths?

At 90 psi, measures 25.4mm on my Bora WTO (internal width 19mm). That's about 0.3 - 0.4mm wider than Conti 5000 on the same rim. It's a really good match for this 26.5 external rim.

[neeb]

duplicate

[Pinguin]

23 Pirelli P-Zero is 25mm wide on my 19c Carbon rim
Tire is new so i think its going near 26 in future

[banik69]

I weigh 78 kg and I ride 25c tyre but measured 28,6c so what pressure do you recommend ???


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[dgalanos]

Hi guys, just a casual roadie from Greece, first time writing in WW.



I recently fiited P Zero Velo 25s to my Emonda Alr and first impressions leave me a little bit sceptical. Very good grip and compliance on dry, but quite slippery on wet. Already had a nasty crash in a wet corner and a few back wheel slides when passing wet spots. Now every time I pass water on tarmac, I have to be super cautious.

Anyone has with same experiences wih the tyres or it was just individual incidents with bad outcome? Would like to hear your thoughts how the tyres grip onto wet...

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[kevinw]

https://www.aero-coach.co.uk/time-trial ... tance-data

Not too shabby for the PZeros - surprised by how poorly the Vittoria Corsa tested though.

[StanK]

Anybody have any experience with the 23mm version and measured widths?

At 90 psi, measures 25.4mm on my Bora WTO (internal width 19mm)...

23 Pirelli P-Zero is 25mm wide on my 19c Carbon rim...

Ok, so 2-2,5mm wider on 19c.
Anyone with 15c rims? Or 14c, or 16c at least?

Problem is that Bike24 at the moment hasn't 25mm, only 23 (and they have lower price of all - at least as far I know). Otherwise I could order both, and see on the rims which is the one that i want.
If anyone knows where I can find both version under 35 euros ... go ahead. I looked on my "usual suspects" and all have higher price.

[Jackofallgrades]

I think you'll struggle to find many running rims that narrow nowadays... Certainly the Pirelli was not designed with that kind of width in mind, even running the 23s on 15c rims you'll have quite a large balloon effect.