Planet X tubular 20mm rim, 50/80 combo racing

[432r]

I am looking for a set of tubulars for racing (cheapish) as if prefer to race on something used that I could afford to lose (my FC 404 clincher which I'm not willing to lose cost me a bit).

I'm used to riding clincher 404 fc. A 25mm wide rim on 23mm tire. Beautiful ride and handling and aero.

My question is can I go back to a narrow rim now like the Planet X (19/20mm wide Say on. 22/23mm tubular tire?)

How will a 19/20mm rim (Planet X tubular) ride/handle compared to my 404fc clincher ? (The planet x Tubulars would be used on a tight circuit, bad surface).

Thanks - input appreciated.


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