Remember MadMaxx what your are experiencing is fairly normal. After a little brake use, you are experiencing what is called pad kickback. As you start to corner there is a little slop in the hub bearings and the rotor flexes just slightly in the hub and pushes back the pads a little. With more use this push back becomes slightly more pronounced and thus the pedal travel seems to get a little longer. Most racers have a technique which before reaching their braking point, they tap the pedal to get rid of this excess pad spacing so that when they do apply the brakes as needed, they will have a hard pedal starting and not have to pump them during the braking to get the pedal and brake pressure up hard. It also tells them if their brakes are ready to work before they really need them. Some of the newer computer controlled brake systems today now can prime the brake system if it anticipates a possible collision situation to make the brakes react even faster when applied. Unless your pads are really worn or you've got air in the system, I wouldn't worry about it.
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