SunRace External Shimano Bottom Bracket MTB- -
SunRace External Shimano Bottom Bracket MTB- -

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Alloy CupsComposite SleeveComposite SpacersSealed Cartridge BearingsWeight - 127gCup thread: BC 1.37 x 24TShell Width: 68* / 73mm*With spacers (right: 2x, left 1x)Silver anodized finish