SHIMANO BBUN300B13 BSA 68 X 113 BOTTOM BRACKET
SHIMANO Code: 630691B

SHIMANO BBUN300B13 BSA 68 X 113 BOTTOM BRACKET

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    square encased bottom bracket, BSA thread
    length of the housing is 68 mm
    length of axle is 113 mm
    w/o screw
    packed in box