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I have the exact same noise on a Cube Stereo Hybrid Race 500. It has the same model of brakes (Shimano BR-MT420) and 203mm rotors. For me the noise comes from the rear end. My bike is new with only about 180km on the clock. I took the bike back to the shop for a check-up and this is what they told me after making sure everything is aligned and there is no ...


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Noise after hard braking is normal. The rotor heats up and warps slightly. When you got rubbing after reinserting the wheel, that shows you didn't align the wheel correctly. You need to be applying as much downwards force as possible while tightening the QR in order to seat the axle in the dropouts. The one-sided force from tightening a QR skewer tends to ...


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That noise is a concern. It certainly sounds like something is hitting the rotor, but if the rotor is out of true you should get a periodic 'ching-ching-ching' sound. The noise is more random which makes me think something is loose, possibly the pad retraction spring has broken or come loose which is allowing a pad to rattle onto the rotor. Personally I'd ...


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The rotor might not be perfectly true. Although the shop should fix it as it's a new bike, do be aware that big MTB rotors get out of true really easily and at some point you just need to live with it. This can be somewhat mitigated with two-piece rotors utilizing a beefier spider, but in the end you're riding trails; stuff breaks all the time. Is your ...


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