Bottom Brackets

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Bottom Bracket Bearing 5/16x11.

Use: Crank
Ball Size: 5/16
Ball Qty: 11
Brand: AltaLine

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Bottom Bracket Bearing 5/16x12.

Use: Crank-American
Fits: 1/Piece
Ball Size: 5/16
Ball Qty: 12
Brand: Alta

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Alloy Bottom Bracket Set Euro 51A 19mm Kit Black.

Shell: Euro
Spindle Type: 19mm
Interface: ENG
Bearings: Sealed
Material: Alloy
Color: Black
Fit 19mm Crank Spindles and Euro B.B Frames
Brand: Alta

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