TA only make their chainrings from the best 7075 T6 heat treated aluminium sheet. The teeth are cut in the traditional manner on a lathe which produces a much better and more accurate tooth form than pressing which is used by most chainring manufacturers.7075 T6 heat treated aluminium constructionCompatible with Super Record, Record, Chorus 10 speed chainsets
Best Price: £51.19 from Tweeks Cycles