Checking the condition of your disc-brake pads should be a regular part of servicing your bike. For example, when you ch ...

and the 2023 recall of some 45,000 Lectric XP 3.0 e-bikes over brake failure risks linked to faulty calipers.

position your bike above the towel and spin the wheel. Sight along the rotor as it passes through the brake caliper and you should be able to see any wobble in the braking surface. More obvious ...