Both my front and rear disc brake/rotors are making the annoying noise while riding... is it because the rotor isn't perfectly flat/ture anymore or ? I thought disc rotors are usually pretty strong.. or could it be the hubs...?
I have an entry level hardtail that came with Hayes Gx2 disc brakes and I'm assuming the rotor might be lower quality.. either that or it's the stock wheel/hub...
What do you guys think?
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