10 speed carbon/aluminum cassette finished!

The side project is finished!!,  I failed to reach sub 60 grams but 0.4 grams is not so much to talk about. The final spacing is one thing left to do, I used 2.5mm thick carbon sheets , then the area around the teeths lathed down to 1.9mm. The weight could be less by using 2mm sheets… 11-12T is in aluminum as the 11 and 12t in carbon would be