Shimano BB-UN26 Square taper Bottom Bracket (68×110-mm)

Shimano UN26 bottom bracket now features a aluminum left hand cup instead of plastic. Sealed bearings and high quality spindle make it last for years and it’s maintenance free..

Product Features

  • Square taper interface
  • Sealed no service bearings
  • Plastic left cup
  • Shimano Reference Number: BB-UN26