I have almost exactly the same wheelset (A719 with Ambrosio hubs + CX Ray) as your with 25mm ReFuse (the one that claim to be 28mm).
There's a noticable clearance with the standard Tiagra brakes and the tyres profile look great as a 23mm look on a 23mm rims.
@edscoble started
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I have almost exactly the same wheelset (A719 with Ambrosio hubs + CX Ray) as your with 25mm ReFuse (the one that claim to be 28mm).
There's a noticable clearance with the standard Tiagra brakes and the tyres profile look great as a 23mm look on a 23mm rims.