Strongly recommended not to install flange. After the installation, the rear axle is weak speed, fixed screw volatility, especially on the high speed is very dangerous. The original design is the best balance, and now the market flange shoddy phenomenon too much, unless it is a professional conversion game player, otherwise is really not necessary. But can try to lower the negative wheel, the risk is small.
But there are also negative wheel risk, easy to short axis, but also increase the drag. In a word, or move as well, the original design of the balance.
