These two cameras are great value and arrived quickly and neatly packaged. I tested the tube right out of the box before installing it in the rim/tire. He was great in the air. I only have a few comments now. The tube's valve stem doesn't seem to be far enough to one side to easily accommodate the hole in the valve stem rim. After some positioning and repositioning of the tube and valve stem, I finished the job by reinstalling the tire bead. The valve stem has an unusual angle, but I hope it works well in the long run. Finally, the valve stem can be slightly longer to make it easier to fill the hose (when there is no air in it) using the air fill connector. However, I had to hold the bottom of the stem (carefully) with needle nose pliers to keep the filler fitting from getting air through the valve. Not the end of the world, but somehow uncomfortable!