E*thirteen Bottom Bracket (Base Model) 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 BB tool (included with cranksets) or a 1-3/4" 12 point socket Specifications: Frame Interface: BB92 Spindle Interface: P3 Connect (24mm) Bottom Bracket Shell ID: PF41 Shell Width: 92mm Material: 7075-T6 Cups Color: Black Weight: TBD