Bicycle Bottom Bracket Metal OnePiece Hollow Thread Type Bottom Bracket for Frame Five-Way 68-73mm PREMIUM MATERIALThe bicycle bottom bracket is made of metal material, and this bottom bracket is solid and durable with a long srvice time. FINE WORKMANSHIPMetal bicycle bottom bracket has fine workmanship and clear thread, different parts connect closely.It is suitable for the thread with an inner diameter of 24mm(0.9 in). PLEASE TO NOTEOur thread type bottom brackets are divided into left and right parts, R stands for right side, L stands for left side, please pay attention to the distinction when installing. SMALL SIZE AND LIGHTWEIGHTBike bottom bracket is small size and lightweight, easy to carry and store, convenient to use.The bearing is accurate and not loose, assure that the center of the circle is consistent when turning. STURDY AND DURABLEThe bottom bracket is sturdy and durable and has a long service life. Color: colorful Size: width 44mm, height 97mm, suitable for: 68mm-73mm central axis Delivery Quantity: 1 Piece Warm prompt: 1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering. 2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding 3. Only the above package contents, excluding other products.