Truvativ/SRAM Team GXP English Bottom Bracket Gray ModelNumber=G0389 Spindle-based power meter unit measures

Spindle-based power meter unit measures left side power to calculate total watts

the Wolf Tooth engineers made this guide extremely stiff and strong while keeping it light at 44g

ID 1-1/8" size (2) 2

except 135x12 and 135x10 (adapter needed)

Truvativ/SRAM Team GXP English Bottom Bracket Gray ModelNumber=G0389 Spindle-based power meter unit measuresTruvativ SRAM Team GXP English Bottom Bracket Gray. Threaded bottom brackets for SRAM and Truvativ cranksets. Engineered with the right materials for the application including sealed cartridge bearings. TECH SPECS Bottom Bracket Shell I. D. 1. 37 BB Frame Interface English BB Shell Width (mm) 68 BB Shell Width (mm) 73 Weight 106 Spindle Interface Type SRAM Truvativ GXP Defined Color Silver