Shimano SM-BB72-41B Ultegra Press-Fit Bottom Bracket

Features

• For fitting Shimano HollowTech-II (HT2) cranksets to frames with either a BB86-Road (86.5mm width) or BB92-MTB (89.5/92mm width) 41mm-ID press-fit or or BB107-MTB SAINT-series (104.5/107mm width) 83mm shells, non-threaded bottom bracket shells (not for BB90-Trek, or BB30 systems)
• Includes 37x24x8mm bearing set with wave washer and bearing shields for use on HollowTech-II cranks with integrated 24mm HT2 spindle (Road: 47.5mm chainline, MTB: 51mm chainline)
• Steel, sealed bearings in press-fit, internally sealed composite cups
• Use of Shimano tools recommended for installation/removal (or shop-quality headset press)