brake

I was thinking of upgrading the front brake on my EST-900 to a 4 piston caliper. I wonder if anyone has done this? I notice the existing rotor is 1.8mm thick. Tektro 4 piston calipers specify 2.3mm rotor. Is there an issue with changing to a thicker rotor? I was looking at moving to Tektro...

I have a Trek Powerfly FS 7 2019, with 1300 km on it. Since day 1, I get a high pitched squeal when using my front brake. Brake power seems normal; I can easily brake using 1 finger. I accepted the squeal up until now - I thought if the performance of the brake is normal, I'll just live with...

I have a 2017 Levo FSR purchased 4 months ago, which has had an irritating noise since new. Above about 15mph, a jangling noise is evident from the rear of the bike. At first I thought it was from the motor, but am now reasonably certain it is from something striking the brake rotor. The black...