Bump
Not stealth in the sense of most of these, but maybe stealth enough some of the people unwilling to tape their rims/paint could use it. Won't work great on all types or with saddle bags/trunks), but I found my saddle hardware to make a great out-of-the-way and stealthy, yet effective, place for some silver tape.
My current set-up, sans lights, shoes and trunk: