Originally Posted by
ScottD961
... One more question on the 700c wheels, Are they bigger or smaller in Diameter that the 27 inchers?
700C rims have a bead seat diameter that is 8mm smaller than 27"(622mm vs. 630mm). Consequently, if you want to replace 27" wheels with 700C, you have to ensure that the brake pads can be lowered by at least 4mm. If not, you will have to replace the brake calipers with longer reach models.