ST adapter ring long NB DMR 63.4mm traffic orange (10 pcs.)ST WHEEL SPACERS The patented ST adapter rings allow a multiple use of DZX and AZX wheel spacers on almost all vehicles on the market. Due to the used material and by the conical shape of the hub and wheel connection surface, a perfect wheel centering is guaranteed. covers the 15 most common hub diameter perfect wheel centering through conical shape temperature resistant composite material secure fit in the AZX and DZX spacers prevents corrosion on