CeramicSpeed T47/73 Bottom Bracket - Shimano MTB Coated Races Black ModelNumber=17028 and stylish jacket that gives

and stylish jacket that gives you exactly what you need when you're out exercising

Carbon outer cage provides strength and weight savings

noise and durability

30mm internal width

CeramicSpeed T47/73 Bottom Bracket - Shimano MTB Coated Races Black ModelNumber=17028 and stylish jacket that givesThe CeramicSpeed T47 73 bottom bracket offers bearings with extremely low friction improved power transfer and a service life that far exceeds traditional steel bearings. Bottom Bracket Shell I. D. 47 BB Frame Interface T47 BB Shell Width (mm) 73 Spindle Interface Type Shimano Hollowtech II Defined Color Black Compatibility Shimano MTB