Tyre and Tube Size

arran77 Posts: 9,260
edited October 2013 in Road buying advice
This may well be a stupid question but that's never stopped me before so here goes :)

Yesterday's ride saw some flint or other sharp nasty flip up from the road into the side of my tyre resulting in a lovely 2cm rip straight through .

New rubber is obviously now needed and the tyre I'm edging towards is 700x25, now here's the stupid bit, the rear tyre on this bike and both tyres on my best bike are 700x23 so I have loads of inner tubes to suit this size, I know you can get inner tubes that are allegedly different sizes but are they really, would the 700x23 inner tubes that I already have be ok on the 700x25 tyre as well?

Thanks :)
"Arran, you are like the Tony Benn of smut. You have never diluted your depravity and always stand by your beliefs. You have my respect sir and your wife my pity" :lol: