YST square taper spindle BB BMX conversion kit SEALED BEARING
Bottom bracket conversion kit for 3 piece square taper spindle cranks made by YST. Convert your one piece crank to three piece with this spindle/bottom bracket. Spindle is for JIS (Japanese) square taper cranks – this will NOT fit Campagnolo square taper or Haro Group 1 square taper cranks from the mid-80’s. Size: American Bottom Bracket (51.5mm diameter cups, 127mm long spindle) Spindle Diameter: 17mm SEALED CARTRIDGE BEARINGS – aluminum alloy cups and lock rings. All parts shown are included.