Ahhhh man! you cant be sl@gging off Sunwin Derby!! I thought they done an amazing job on my Zed.......Oh no hang on........They took it in with a gear box issue and it came back sounding worse!!! Stupid bunch of retarded, inexperienced, f*ckwitt, monkeys!!! Oh, by the way, they had my zed for 3 AND A HALF WEEKS!!!!!!!!!