Specifications: Condition:100% Brand New BB/Frame Interface: English Material: Aluminum Alloy Bowl Color: Black Spacer: No Spacer Applicable Bottom Bracket: BC1.37”X24T Installation Method: Threaded Frame Bottom Bracket Width: 68mm-73mm Crankshaft Core Size: 30-30mm Net Weight: About 90g Gross Weight: About 100g Feature: Fits 68-73mm frame bottom bracket shells. This bottom bracket provides better sealing and rotation to delivery. Locking aluminum alloy shaft cover, CNC processing, sealed Peilin smooth and durable. .