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.

• 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 Connect
• Spindle Interface Type: Zipp Vuma
• BB Shell Width (mm): 68
• BB Shell Width (mm): 73
• BB/Frame Interface: English