I think the recommended rack for cantilever brakes is the Mini-Front which
is very like the Mark's except for the stays and other attachments. I've got
the Mini-Front and CR720 on my QB.
>From Riv...
Mark's:
Our own Mark Abele came up with this design, and Nitto executed it
perfectly. Basically,
When installing some CR720's today on the Bombadil, I found out they
conflict big time with a Marks front rack, mounted at the braze-ons
below the canti bosses. This is not good. When installed, the brakes
cannot open to get the tire out, they hit the struts of the Nitto. Is
this a secret that I w