tyre clearance on a road bike

[PatrickPending]

Hi,

Quick question - what size tyres can one put on a road bike (orbea - don't know which - entry level) without causing problems (re clearance etc)

The person in question would prefer fatter tyres to her current 700 * 23c - I suggested 25 or maybe 28 but do road frames generally take these (or fatter) tyres.

Thanks in advance for any suggestions

 

[TheDoctor]

Most road bikes will take a 25, but wider than this may not be possible.
Really, the only way to tell is give it a go.

 

[Steve Austin]

My Giant TCR is a bit too tight for 25's, so you really want to check first. Also a lot of tyres, nay all tyre manufacturers use different measurement systems, so some will fit and some won't.

 

[Chrisz]

If it's anything like my Orbea Onyx the tyre clearance is very low!! 25s fit with mm to spare under the brakes, nothing bigger would fit.

 

[dellzeqq]

mine won't take 25s. The 24 rear by Conti is a bit close. You may be restricted to 23s. And rightly so - anything fatter looks silly on a road bike.