• OK, I use Zaffiro Pro clincher made by Vittoria with a 622 x 23 size (the white ones, other colours available ) for long distance rides on my Compact. That's no problem as long as you keep an Eye on the gap between the Seatpost And the Wheel. This Must be larger than 20 mm. Otherwise you gonna rub off the painting from your seatpost due to deformation of the wheelset. Havent tried bigger yet, but for the upcoming retrorides I just build up an older frame which can easyli handle 25-27mm, so I can mount Kevlar supported clincher aso. That's more comfy for stages of Paris-Roubaix or L'Eroica...


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