Yo homies. I just realized, after about 1,000 miles, that this POS LBS installed my UST rim strips and valve stems on my Mavic 819's (they also built the wheels) after I bought from them a Stan's No Tubes kit and asked them to install it using NON-UST Nevegals, they still used the Stan's sealent. Now the funny thing is I had never seens another Stan's kit on somebody's wheels, which is why I didn't realize. They hadn't been sealing very well, needed to re-seal them about every two months, but it worked well more or less till I blew the front Presta valve off which is when I realized what this shop did. So my questions are, has anybody else done this? Might there be any detremental side effects to the rim from having done this? Thirdly this shop is sketchy, after another incident I never brought my bike back to them, they're Mt. Tam Bikes in Marin. I'd really appreciate some comments back. THANKS! Woogie11 out.