Originally Posted by
Steamer
I have a set of 559's on another bike, and they seem too long based on my measurements. Probably should have pulled the caliper and checked before I ordered the 539, but it's too late now, so I'll keep my fingers crossed. The Bacchetta rear brake actually measures out at around 57mm, but the angle coming off the nut is more extreme than the 559 caliper, which I assume is the same as the 539. The Bacchetta caliper "works" it's just closer to the tire than I prefer so I only need 2-3mm more. We'll see next week.