Waterproof Screw Fits for Mountain Bottom Brackets BB386L

Bottom brackets The bottom bracket is solid and durable with a long service time. The alloy shell can absorb roundness tolerance for installing ports of Bracket Bottom. Integrated System can protect the frame, more power output, it's better than ordinary structure bottom bracket. Suitable for 68/86mm frame shell. Please use the BB tool to install and replace the bottom bracket for safety. Product Description Rider's desire, continuously improving. Locking Design Bicycle Bottom Brackets BB386 Product Name Locking Design Bicycle Bottom Brackets BB386 Material ALUMINUM Cup+Bearing Fit for BB. Shell width One size fits 68/86mm Size Ø46mmOD Alloy Cups [Name]:Locking Design Bicycle Bottom Brackets BB386 [Size] :Ø46mmOD Alloy Cups,Fit for BB. Shell width:One size fits 68/86mm [P…