I've had this for about a year now and have decided to remove it. It does scratch easily and is now more yellow than clear. The brackets also rusted quite quickly.
Very impressed with this windshield and hardware. Hardware looked a bit thin but once mounted it is sturdy as can be. It did turn out to be a bit too low in height so I had to contact National Cycle to sell me the tall version windshied without the hardware. It is perfect at 2 1/2 inches taller than the short style.