Aluminum Zinc Zinc Alloy Bicycle Bottom Bracket 68/73MM MTB Bearing Crankset BB Accessories

Label:Yes Package include:1Pc Bicycle Bottom Bracket For: Sram / Prowheel 24mm/IXF/Etc Specification : English Threaded Hollow, Material: aluminum Zinc Zinc Zinc Zinc Alloy body Weight:about 100g BB frame length:68/73mm Inner diameter: 24mm Bearings: Sealed Bearings Tooth pattern:BC 1.37-24T Color: Black/Red/Colorful Material: AL7075 Aluminum Zinc Zinc Zinc Zinc Alloy Warm Tip : Please be reminded that due lighting effects, monitor's brightness/contrast settings etc, there could be some slight differences in the colour tone of the website's photo and the actual item. Item Measure by hand, it could be 1cm diferent,your kind understanding will be much appreciated.