I'm pretty sure most bike rotors are worked from sheets using processes like milling from flat stock... Lot of mill marks on my rotors anyways.
I'm curious the hardness of the material to start with.... anyone have a rockwell tester? Would also be interested in knowing what type of steel is used.
Krey
I'm curious the hardness of the material to start with.... anyone have a rockwell tester? Would also be interested in knowing what type of steel is used.
Krey
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