Got a new rear wheel, steel 26", 12g spokes. Tied spokes, taped nipples w/ three wraps around inner rim w/ electrical tape . Installed rubber rim thing, inner tube and high pressure slick... inflated to 60 psi and boom! Installed another tube and low pressure 2.125 tire, inflated to max 40 psi and installed on bike. Brand new rim is so out of true, unbelievable!!! Remove, inspect, rim is literally bent, either the blowout was strong enough to bend it or my failure to spin the rim prior to install and the rim was bent before install... anybody have a clue to this or am I just a dumb*ss!