Heldring-
I was a long time BB7 user, but on MTBs only. They did their job very well
Once I got my AWOL with BB7 road, I started hating them - I couldn't ride one fucking ride without chirps on at least one of the sides. Mind, wheels are QRs. No one I knew or went to see could set them up for a long term chirp-less existence. My n00b opinion is that this had to do with road version having pads closer to each other / to rotor, but I got so annoyed this one time, I just went and bought a set of CX77s.
Then I read all kinds of negative reviews online and thought, shit, wrong choice. However! Installed, dialed in, organic pads wearing off slightly, adjusting to rotors and voila! Many hundreds kms past, not one chirp or anything! One thing though, the organic pads do wear rather quickly, so after few hundred kms, the levers started reaching the hook of the drop bar, so one click on both inner and outer adjuster and it was fine.
CX77 do not have the 'tri-align' system of the BB7s, but somehow I managed just fine without it.
Hope this helps. -
They work great, then quality control is defintely better but I still prefer BB7s to be able to aligned it better.
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scorch
edscoble
Cause BB7 have this Tri-align system that allow full adjustment, whether the majority of disc calipers doesn't, like the Spyres.
The single fixed pads mean that it's noticably lighter to modulated compared to the dual arm of the Spyres.
I wax lyrical about BB7s because I tend to have good experiences with them, especially with SCR-5 and Yokozuna Reaction, but other may not.
I also like Spyres but I find them equally temperamentive as the BB7s on customer's bike.