20-06-15, 07:51 PM
Depends on the overall cost of the helmet. There is no treatment that will remove scratches enough without affecting transparency!! I replaced my box helmet visor after 2 years from race visors . Co . uk for about £20 pin lock ready......... Great visor n will hopefully give me another 2 years out the helmet then I don't mind spending £100 ish on a good fitting helmet