Originally Posted by zx108
yea. discs offer more stopping power. and there is an advantage with a closed system rather than a v brake. also you will need to be replacing rims with v brakes. you can get lighter rims with discs, most disc rims are much lighter then their rim models.
and they did put discs on road bikes in red bull road rage. where they needed more stopping power. . .
with the price of some bb7s, i would go with discs.
This thread is over a year old. The reason that road bikes don't have discs is because of weight and overkill. They just don't need the stopping power on the open roads. As for Road Rage, they use mountain bikes. To say that they need more stopping power during Road Rage compared to the TDF is just untrue. They go down some steeper and faster downhils on the Tour.