Deluxe Lightweight Bike Bottom Bracket Hollow BB51

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Description:

This integrated hollow bottom bracket threaded BB51 made of Aluminum alloy shell, light weight, high strength.
Polished surface and machined technology mean exceptional durability.
Sealed rubber gasket rings spring inside; prevent water and dust, super waterproof.
Suitable for 68-73mm bottom bracket shell.
Inner diameter 24mm and smooth rotation, easy installation and operation.

Specification:

Material: Aluminum Alloy Body+Resin

Size Chart:

Size: 95.3x44mm/3.75x1.73inch
Wheelbase: 68-73mm/2.67-2.87inch
Inner Diameter: 24mm/0.94inch
Washer size:
Outer diameter: 42mm/1.65inch
Inner diameter: 35mm/1.38inch
Thickness: 2.5mm/0.1inch

Package Includes:

1 Piece Bike Bottom Bracket
3 Pieces Washer

Note:

Color might be slightly different due to the color calibration of each individual monitor.
Please allow slightly measuring deviation due to manual measurement.

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