I really should know this.

[steveindenmark]

Is a 700c wheel the same size as a 28 inch wheel.

If i get a 28" wheel for a road bike, what size tyres am I looking for?

 

[Crackle]

622mm, identical to a 29 rim

 

[glasgowcyclist]

For all your tyre-sizing needs:

http://www.sheldonbrown.com/tire-sizing.html


GC

 

[steveindenmark]

GC is a normal roadbike a 28 inch wheel?

 

[raleighnut]

622 mm 700 C, 28 x (two fractions), 29 inch, 28 x 1 1/2 F.13 Canada

From Sheldon Browns website

 

[Citius]

GC is a normal roadbike a 28 inch wheel?

Not as simple as that. You need to check the link GC provided..