Crupi | Precision BB Bottom Bracket

PRODUCT DETAILS The Crupi Precise External Euro BB places the bearings outside of a Euro bottom bracket shell, allowing the use of much larger and more durable bearings. Precision sealed bearings, precision fit with no more plastic dust seals and Precision performance! A much upgraded bottom bracket that features: *  Machined tool slots so the tool will not scratch your BB *  Modified low friction alloy seals with less drag *  Arguably 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