euro 22mm bottom bracket set flat blackThe Demolition Euro BB is an external Euro bottom bracket kit, compatible with cranks with a 19mm or 22mm axle diameter. Equipped with high quality cartridge bearings and a spacer, it ensures reliable operation in frames with a Euro BB bottom bracket. Product features: Bottom Bracket Type: External Euro BB. Axle diameter: 19 mm or 22 mm. Bearings: Sealed, high quality. Accessories: Spacer sleeve and spacers for crank arms. Compatibility: Only with