I was just reading the other thread titled, "rim seam question," and realized that it's time I address my own front rim problem.
My front rim is a Niobium 30mm aluminum rim, with Wheelsmith semi-bladed (forget the model - XE?) spokes, laced radially with alloy nipples. The hub is a D/A 28 hole. I've had issues with shuddering when I hit the brakes ever since the wheel was built up. I've contacted the people who sold it to me, and attempted to address it in 18 ways to no avail. Okay, I'll live with it.
The issue that I haven't had to address yet, and I'm wondering if it's related and/or tied to a bigger problem, is the fact that I get those de-tensioning "pings" from my front rim every time I ride the bike. When I built the front wheel, it didn't do this at first. When I re-tensioned it to address the aforementioned shudder, this "pinging" began. It's coming from the nipples, obviously. However, even after upping the tension ever so slightly, it continues. I de-tensioned all the spokes during the build by grabbing spokes, and leaning on the side of the rim to get things to settle in. Even though I get this pinging sound, the rim remains straight as an arrow.
The sound occurs most commonly when I'm climbing and rocking the bike side to side, putting side loads on the rim.
Is this common? An ideas? Thanks in advance!