O.K., a few weeks ago some of you noticed some things which appeared in a place they were not yet supposed to appear. These things induced palpitations in a small group of bike nerds and questions began immediately to percolate. “Is it what we think it is?” the nerds asked hopefully.  We played it cool. We weren’t yet ready to talk about it.  And then it happened again. Ho-kay. There is no longer any point in ignoring or denying the impending existence of these items, and while it is not normally our style to happily share the few secrets we have worth keeping, this one…