These high quality aluminum adapters allow you to convert your 1 piece bottom bracket (BB) to the standard 3 piece. Comes with the Alloy adapters and mounting hardware. Does NOT come with cup and bearing set. Bearing set or Cartridge bottom bracket assembly, sold separately, are required to fully convert a one piece BB.
Note: this adapter will require the use of a spindle with 73mm bearing spacing or cartridge bottom bracket.