Brake too hot pressure point loss zx6r ́01 giant problems and already for years. drive a 2001 he zx6r. After approx. 2 round running distance my brake lever wanders about 4cm to the handlebar and becomes it impervious. have ventilated it hundreds of times, steel flex is also other hollow screws inside. have already tested the most different coverings and brake fluids. without success. you know the problem and how to fix the problem. MFG Dirtjumber