No, it doesn't have a brake bridge fender boss. As I understand it, the Wisconsin Hillbornes do not come with a fender boss under the brake bridge. I think I read somewhere that one could get one as an option. But that was not an authoritative source. I've never pursued one.
I use V-brakes, so there would still be some "oddness" to using the widgets you mention on my bike. I might try it on my older Hillborne. But the L-bracket still has the appeal of establish -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To view this discussion on the web visit https://groups.google.com/d/msg/rbw-owners-bunch/-/cw4GyR4uhJgJ. To post to this group, send email to rbw-owners-bunch@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rbw-owners-bunch?hl=en.