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1

With disc brake systems, a couple of maintenance tasks need to be done somewhat often. Realignment of the pads with the rotor and trueing of the rotor itself are fairly straight forward, easy tasks accomplished with common tools. Park Tool's website has a good explanation with video of the adjustment of hydraulic disc brakes. Before adjusting anything ...


2

The brakes should be adjusted. The disc caliper mounting bolts allow a small amount of adjustment to center the pads between the disc rotor. Your caliper is likely misaligned allowing the rotor to rub on the pads. If the rubbing sound is cyclic meaning it rubs then stop at the same place each wheel rotation the cause is more likely a warped rotor. Another ...


2

Check for hair, grit, etc caught up in the derailleur wheels; most likely the guide pulley wheel; remove both wheels: attach the tension wheel last after cleaning/oiling. Make sure you pay attention to which wheels go where; and the direction arrow on the tension wheel. A google search will show you a diagram of both wheels labelled and the turning direction ...


3

The cracking noise can be produced by nearly any component of your bike. The frame transmits the noise and it only seems like to come from your bottom bracket (or you think it is the source because of pedalling). I had a similar problem with several of my bikes - in my experience it is normally a component which is not 100% tightened. I would check following ...


5

You have a Shimano 105 5603 series 10 speed shifter paired with a Ultegra 6700 series 10 speed rear derailleur, as those are both 10 speed they will work together. Those will not work with a R7000 series 11 speed cassette. Even if you thought you could just select 10 sprockets out of the 11 that does not work. Sprocket spacing is different between 10 and 11 ...


2

For me the best alternative are on-ear neckband headphones. The pad help to reduce significantly the wind turbulence noise, while on ear earphones does isolete you from traffic and environmental sounds. Sadly, this type of headphones are becoming harder to find. (source: Amazon)


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