The CeramicSpeed BB90 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.: 37
• Spindle Interface Type: SRAM/Truvativ GXP
• Weight: 37
• BB Shell Width (mm): 90
• BB/Frame Interface: BB90