HG70 vs HG90 cassettes

Yep (not so) shiny ones are HG70, shinier/chrome are HG90. The problem is to recognize them when you don´t have a HG90 to compare as the HG70 alone can already look quite glistening.

Another hint can be the lockring sticker: On the HG90 it just says "HG Hyperglide" whereas on the HG 70 it has the "CS-HG70" denominator printed on. Of course lockrings can easily be swapped and most used ones have the sticker missing anyway.
 
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