About Aluminum Alloy Bottom Bracket
Type: Bicycle 24mm Thread Bearing BB;
Material: 7075 Aluminum Alloy+PE Hose;
Bracket Outer Diameter: 44mm;
Thread Outer Diameter: 34.5mm;
Suitable for BB Width: 68mm-73mm;
Suitable for Crankest Axis Outer Diameter: 24mm;
Suitable for Frame Thread Inner Diameter: 34.5mm;
Suitable for Crankest: (24-24mm):SHIMANO Prowheel et;
Color: Black;
Weight: 108g;