E*thirteen Threaded Bottom Bracket. Features: Bottom brackets for e*thirteen XCX, TRS, and LG1 cranks. Also compatible with older Fifteen.G cranks (requires spacer and wave washer kit, EV-8003) 7075-T6 black anodized cups with custom angular contact bearings One year no questions asked bearing warranty For installation of BSA bottom brackets, use e*thirteen bottom bracket tool (included with cranksets) or a 1-3/4" 12 point socket Specifications: Frame Interface: BSA/English Threaded Spindle Interface: 30mm (RaceFace/Easton CINCH, 386 EVO, Rotor 3D+, e*Thirteen P3 Connect, Zipp Vuma) Bottom Bracket Shell ID: 1.37 Shell Width: 68mm, 73mm Material: 7075-T6 Cups Color: Black Weight: 96g