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

}Avid FR-5 Single lever Right or Left Black/Black

7 Series Disc Brake Pads

internals and axles

}Surly Stainless Steel Ring 32t x 104mm

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