T47-External Shimano Road Bottom Brackets

  Info Installation Instructions Installation Video Specifications JUST THE FACTS: The BBInfinite T47E module for Shimano Road Crank Sets works with all Shimano road Hollowtech-II road crank sets, from Tiagra to Dura Ace. What’s more, this bottom bracket also works with most Shimano-pattern, 24mm spindle road crank sets on the market, such as the Rotor Aldhu, the SRM Origin, and many, many others. All BBInfinite T47i external bottom bracket modules ship with the special tool, instructions, and hardware required for easy, trouble-free installation. NOTE: Installation of this bottom bracket requires the use of a socket-style, 16-notch tool such as the classic Shimano TL-FC33 or Park Tools BBT-69.2, and many others. This tool is NOT provided with purchase of the BBInfinite T47E module. Compatibility: • All T47 x 68mm Frame BB Shells   ABOUT OUR BEARING CHOICES: Ceramitech Bearings: Our Si3n4 hybrid ceramic bearings feature ultra-spherical silicon nitride balls matched to SAE 52100