T47-External Shimano Mountain Bike Bottom Brackets

  Info Installation Instructions Installation Video Specifications JUST THE FACTS: The BBInfinite T47E x 73mm module for Shimano Mountain Crank Sets works with all Shimano Mountain Hollowtech-II mountain crank sets, from Deore to XTR. All BBInfinite T47E modules ship with the special tool to install the stabilizer ring, 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 73mm Frame BB Shells   ABOUT OUR BEARING CHOICES: Ceramitech Bearings: Our Si3n4 hybrid ceramic bearings feature ultra-spherical silicon nitride balls matched to SAE 52100 chrome steel bearing races that have been processed with additional heat treatment and polishing steps. The result is a hybrid-ceramic bearing that lasts longe