Hello, ive got a onza t-pro 05 which i bought of mike cycles from supersycles on e-bay and the bb keepes comming loose its not the square taper one that came with the frame its one i have put in, it is a FSA platinum bb i no this has happend to another peson on t.f but i need to no wat i can do to stop the bb coming out p.s i have alredy rung supercycles and they sed they would not replace it or give me my money back please help John