Bottom bracket conversion kit for 3 piece square taper spindle cranks made by YST. Plastic seals to both bearings that keeps the crud out. Used when converting your one piece crank to three piece cranks. Spindle suits JIS (Japanese) square taper cranks, will fit Shimano, Sugino, Maxy Cross, Suntour VX and Takagi Tourney.
Kit includes: 127mm spindle, spindle bolts, steel cups races, bearings, washer & lock nut.