bottom-bracket
Integrated BMX bottom bracket Ø 51.7 mm + locknuts + ball bearings
The bottom bracket is an essential and intermediate element between the bicycle frame and the bottom bracket. Its function is to fix the bottom bracket to the bicycle frame while ensuring a perfect rotation of the bottom bracket. The bottom bracket is composed of 2 cups, 2 bearings and an axle. Different threads exist for bottom brackets, the English BSA / BSC thread, the current standard, the French 35 x 1mm thread, the Italian thread and the Swiss thread.
Bottom bracket cups BMX bottom bracket cups / bottom bracket shells
diameter: 51.7 mm
counter nuts
ball bearings for bottom bracket
weight: 312 g
condition : new
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