Originally Posted by
Trakhak
I think repechage meant something like this:
"Cantilever brakes push retain the 27” wheels" -- cantilever brakes often cannot be adjusted to accommodate different rim diameters, so that's an argument in favor of retaining the 27" wheels.
"Hook rims are a help too, easier to manage tire pressures" -- many modern 700c rims use a hookless design to enable the use of tubeless tires. Such rims might not hold a tire as reliably as your hooked 27" rims.
yes, made the assumption that there is an awareness of the approx 4mm radius difference. While it might be possible to adjust the pads to catch the 700c… it is going to be at an unpleasant angle most probably. It is in the geometry.