Bicycle anti -lock shell fragment brake ware

Bicycle anti -lock shell fragment brake ware, including a brake cavity and from up install in proper order down lower cock on the brake cavity, down magnetism sucking disc, S -shaped spring leaf, travelling brake piece fixed disk, travelling brake piece, fixed brake block, fixed brake block fixed disk, go up the cock on, of circular of plain noodles, its characterized in that: the first half of cock has the external screw thread to be underspin screw beyond the great wall down, and the first half that the brake cavity is close to cock down has the internal thread to be the interior screw down of cavity, down there is a lower magnetism sucking disc up end top of cock, a plurality of S -shaped spring leafs of up end fixed mounting of lower magnetism sucking disc, and radially place for the center in the centre of a circle of disc on following the magnetism sucking disc of a plurality of S -shaped spring leafs, disc fixed connection on the lower extreme of S -shaped spring leaf and the lower magnetism sucking disc, the upper end of S -shaped spring leaf wears to overlap in the middle through hole of set stopper is worn to the spring leaf, the up end fixed mounting of travelling brake piece fixed disk has a travelling brake piece, and there is a brake disc top of travelling brake piece, and there is a fixed brake block side on the brake disc.