CeramicSpeed BSA30 Bottom Bracket - BSA Thread 30mm Spindle Black Model=SM Saddle }SRAM CenterLine X Disc Brake

}SRAM CenterLine X Disc Brake Rotor - 140mm Center Lock Silver/Black

}Surly Stainless Steel Ring 32t x 104mm

internals and axles

Interior division for all the essentials

Replacement noise-damping rings for SRAM Red 10-speed cassettes

CeramicSpeed BSA30 Bottom Bracket - BSA Thread 30mm Spindle Black Model=SM Saddle }SRAM CenterLine X Disc BrakeCeramicSpeed BSA30 Bottom Bracket BSA Thread 30mm Spindle Black. The CeramicSpeed BSA (English) bottom bracket offers bearings with extremely low friction improved power transfer and a service life that far exceeds traditional steel bearings. TECH SPECS Defined Color Black Bottom Bracket Shell I. D. 1. 37 Spindle Interface Type RaceFace Easton CINCH Spindle Interface Type 386 EVO Spindle Interface Type Rotor 3D+ Spindle Interface Type e*Thirteen P3