GT Radial Champiro WinterPro 2 is not available in 225/55 R17.
GT Radial Champiro WinterPro 2 is made in dimensions ranging from R13 to R17, but the 225/55 R17 is still not one of the 43 dimensions which are available. Check GT Radial Champiro WinterPro HP, which is made in the desired dimension.