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. Nerius for Campag 11 speed only, can convert Campag CARBON 10 speed chainsets to 11 speed. Can be fitted to Super Record, Record, Chorus, Athena and Centaur chainsets. Weights: 34T 29g to 50T 78g |
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