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High quality CNC machined and anodised aluminium cups, spacers and centre sleeve.
Spacers are included to fit frames with 68-73mm BB shells & E-type front derailleurs. The Monocrome BB is installed with standard BB tools.
CNC Storm Drains: | For those riding in wet conditions Monocrome External BBs are available with CNC Storm Drains. These water drains allow water to escape from the cup before it can corrode or enter the bearing. The drains are invisible once the bottom bracket cups are assembled.
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Bearing Type: | 6805 Chromium Steel (Monocrome): |