The CeramicSpeed T47/86 bottom bracket offers bearings with extremely low friction, improved power transfer, and a service life that far exceeds traditional steel bearings. Allows you to install Campagnolo and other 25mm diameter thru-axle cranks into a T47 shell Compatible with 86mm wide frames Grade 3 Silicon Nitride balls with hardened steel races Reinforced polyamide cage and non-contact seals Hand built in Denmark 4 year warranty Specifications BB Shell Width (mm)86BB/Frame InterfaceT47Bottom Bracket Shell I.D.47Defined ColorBlackSpindle Interface TypeCampagnolo Ultra-Torque