Complete Ultegra level press-fit bottom bracket assembly for Shimano HollowTech II road cranks. Cups are made from fibre reinforced polymer material which reduces the risk of frame noise and damage. Set includes left and right hand cups, inner cover, and inner O-rings.

  • Compatible with 86.5 mm shells
  • 41 mm cup diameter
  • Approx Weight: 63g

SM-BB72 105/Ultegra Press fit BB W/inner cover Shimano