I've seen a lot of,"Chinese" products criticism over the past few weeks.Although there are some poorly made products there are some good as well.I'm sure also as time passes QC will get better and known good brands will emerge just like it did years ago with Japanese and then Taiwanese products.
"I have that first one on three of my bikes now. I do have to tweak the reservoir to match the angle of the bars, but IMHO I love them. I also have steel braided lines on all three bikes and they all stop almost as well as my race prepped RC51 (crotch rocket). If you don't think the style jives with your bike, then find one that does. I have experimented with probably 20 cylinders differing from CRF450R masters to VT1100C masters and they all worked. Some had slightly different pull lengths and some had better lever feel, but they all worked."