k_gibbo wrote:I don't think disk breaks are for me... More weight + less aerodynamic are not very appealing to me. I do wonder if rims may get lighter with no need for a breaking surface??? If that is the case it may help to balance some aspects of performance.
The weight difference between a rim brake set up and a disk set up is roughly 120g. This includes the caliper, rotor, post mounts, and extra material on the stays and fork. That's nothing!!! It's half of what a Power Tap system adds to the weight of a bike. It's pretty much a wash anyway if you think about it, that 120g you gain in the static weight of parts is deleted by lighter rims, dynamic weight were it really matters. Less aero, how? I'm actually willing to bet that a d-brake set up is actually slightly more aero than a rim brake, but I'm sure the difference is almost not even worth mentioning, like the aero difference from one 58mm deep wheel to the next.