^True, but a long nut is pennies and means you don't end up with yet another redundant rear brake in the parts bin.
If it helps, I needed a 32mm on my Dolan and a 25mm on my steel Goff to ensure that plenty of thread engaged with the bolt, as @a'dan said, too little grip guarantees a trip to the dentist/hospital/morgue....
^True, but a long nut is pennies and means you don't end up with yet another redundant rear brake in the parts bin.
If it helps, I needed a 32mm on my Dolan and a 25mm on my steel Goff to ensure that plenty of thread engaged with the bolt, as @a'dan said, too little grip guarantees a trip to the dentist/hospital/morgue....