CeramicSpeed T47 Bottom Bracket - Black (68mm Width) Variant:Coated If you keep using round

If you keep using round ring then others will get quicker

sensitively spaced across a wide range

Lenses are easy to swap

predictable handling and impressive longevity

CeramicSpeed T47 Bottom Bracket - Black (68mm Width) Variant:Coated If you keep using roundNote: This listing is for 68mm width outboard type T47 T47 is a newer standard with the dimensions of a PF30 bottom bracket shell, but with threads substituting for a press fit. This bottom bracket allows you to install Shimano and other 24mm diameter thru axle cranks into a T47 shell. CeramicSpeed Bearings come installed in cups and are connected through the shell. There are 2 versions: Standard and Coated Bearings. Both have super round CeramicSpeed