T47-Internal Praxis™ M30® Road Bottom Brackets

    Info Installation Instructions Installation Video Specifications If you're looking for a bottom bracket that will never creak, and spins like mad, you've come to the right place.   JUST THE FACTS The BBInfinite T47i bottom bracket module works with all Praxis™ M30® road crank sets on the market. All BBInfinite T47i modules ship with the special tool, instructions, and hardware required for easy, trouble-free installation. Compatibility: • All Trek T47 frames • All 86.5mm T47 frame bottom bracket shells • All BBcorrect T47a (asymmetric frames like the Factor OSTRO VAM) 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 longer than any steel bearing with spin performance no steel bearing can rival. We’re so confident in the durabili