CeramicSpeed T47/73 Bottom Bracket - Shimano MTB Coated Races Black ModelNumber=17028 Number of Chainrings No Rings

Number of Chainrings No Rings No Spider IncludedDrivetrain Speeds 12Drivetrain Speeds 13Chainring BCD Direct Mount SRAM 8-BoltChainline/Hub Compatibility 135/142 Road Disc Hubs < 415 mm ChainstayChainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm ChainstayColor BlackCrank Length (mm) 170Crank Intended Use RoadCrank Intended Use GravelBB Included NoPedal Spindle 9/16"Spindle Interface Type SRAM DUBDefined Color Black

30mm internal width

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

7mm Bushing

Carbon outer cage provides strength and weight savings

CeramicSpeed T47/73 Bottom Bracket - Shimano MTB Coated Races Black ModelNumber=17028 Number of Chainrings No RingsThe 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