SHIMANO Ultegra 6800 Bottom Bracket Cups

The Shimano Ultegra 6800 Bottom Bracket Italian Thread Cups use Shimano HollowTech II technology which uses a wider outer bearing placement and larger axle diameter increased stiffness and efficiency. While it's sealed design has a minimal bearing interface ensuring smooth rolling and increased durability.
The inner bearing is for use in BSA bottom bracket housings.The bearing is done by high quality, sealed deep groove ball bearings.Attention: Due to the small screw-in depth, it is not suitable for use with spacers!Technical specifications:intended use : Road, CyclocrossMaterial bearing shell: aluminumMaterial bearings: steelBearing type: BSAInner bearing housing width: 68 mmInner bearing housing Ø: 34.8 mm (with BSA thread)Crank shaft diameter: 24 mmCompatibility crank: Hollowtech II cranks of Shimano, Ultegra cranksStock: Shimano UltegraTool holder: Hollowtech II tool + TL-FC25 adapterColor: BlackWeight according to manufacturer: n / aWeight weighed: 85g (including plastic sleeve)