CRUPI PRECISE EXTERNAL BB

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The Crupi Precise External Euro BB places the bearings outside of a Euro bottom bracket shell, allowing for much larger and more durable bearings. Precision sealed bearings, precis ion fit with no more plastic dust seals! A much upgraded bottom bracket features: * Machined tool slots so the tool will not scratch the BB * Modified low friction alloy seals with less drag * One of the lightest weight external bottom bracket offered today * Compatible with all 24mm race cranks designed to be used with external BB's. * Available with both standard sealed bearings or our Titanium coated ceramic bearings we call, Tiramic. Weight: 3.24oz Show more