Hey guys, got the same problem with a stiff lock took advise from forum and stripped lock and used a drummel to increase size slilghtly and it all seems much smoother, however as everyone pointed out the callipers are the trickyist part, got em off but how on earth do you get back on, especially the large one in the spring catch compartment, been trying all night, if I had a swear box itd be bursting now, is there a special tool I can obtain from screwfix or somewhere, I used small pliers to remove but cannot get it back on