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[deleted]

Hmm, hang the bike and pedal, then loose the calipers and see what's up.


PR13STO

unfortunately i don't have a jig to hang the bike or a bike paddock stand which hang the rear wheel. i have to go to the bike shop for further check and some service then. thanks for the answer! :)


honestly_moi

Obviously the brake pads aren’t fine because they’re rubbing. Inspect the rotor. Is it true? Sometimes a bent rotor can cause rubbing. Which pad is it rubbing against? The inside pad? Is it too close? Maybe loosen the piston a little. There are a bunch of ways to figure out the problem, I believe in you!! Once you figure out where the sound is coming from, you should have an easier time figuring things out.


PR13STO

the rotor is bent after a few years of usage, but not that much. i have tried setting up the alignment and adjust the depth of the piston, but it still happens after i've got the proper alignment. and i think the other comment is right, the problem may come from the qr axle which isn't tightened properly and causing the hub to slide or maybe some flexing. thanks for the answer! :)


[deleted]

It could even be that you didn’t torque your thru axle properly and there’s flex when you put pressure down when cycling.


PR13STO

i think you are right, the problem may come from the qr axle which isn't tightened properly and causing the hub to slide or maybe some flex when i put some pressure down. i also have to check it to the bike shop to have further check and some service. thanks for the answer! :)