T47/86 Bottom Bracket (Shimano) 11 Speed Built with robust features including

Built with robust features including a molded cap design to protect against rock strikes

Side reflective elements for increased visibility

with a single bolt mounting off the front of the Madone Integrated bar/stem

get maintenance reminders

T47/86 Bottom Bracket (Shimano) 11 Speed Built with robust features includingThe CeramicSpeed T47 86 bottom bracket offers bearings with extremely low friction, improved power transfer, and a service life that far exceeds traditional steel bearings. FEATURES: Allows you to install Shimano and other 24mm diameter thru axle cranks into a T47 shell Compatible with 86mm wide frames, and also compatible with TREK T47 85. 5mm wide frames Grade 3 Silicon Nitride balls with hardened steel races Reinforced polyamide cage and non