I have been the owner of my Trek 1.2 road bike for the past 11 years. It has served me well over the years and literally thousands of miles of riding.
I would like to keep it and give it some upgrades.
It has all the original equipment on it, with the exception of the pedals and tires.
I want to change the 2x9 Shimano Sora to a Shimano 105 (cable operated) and i want to change the wheels from the 700cx23 to some more modern carbon wheels that can use rim brakes and can accept a 25mm or 28mm wide tire...
My tire width is a lot harder to find in store these days as the super skinny tires have seemed to have gone to the way side. Sure there are online options but I will have to buy new wheels altogether since the brake surface has worn thin through the years and it will eventually become too thin to hold the pressure of the tire and my weight riding it.
Advice on compatibility, would like a bit wider gear range than I currently have as where I am located has both very steep mountain climbs and very flat long straights (South Korea)