BBUN55 73x110
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$44.00
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BBUN55 73x110
$44.00
shimano,BB-UN55 Square Spindle Bottom BracketsFits JIS Square-Taper CranksetsHollow spindleCrankarm fixing bolts not includedItem SpecificationsWeight330BB/Frame InterfaceEnglishSpindle Interface TypeSquare Taper JISBB Shell Width73Defined ColorSilverBottom Bracket Shell I.D.1.37"Spindle Length110
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