Shimano Ultegra / 105 Innenlager SM-BBR60 Hollowtech II Schwarz - ITA Gewinde bullitt Material: brass

Material: brass

5" (IS42 - IS52) with matching claw

24 degree flare

custom-made ball bearings

This results in a slim saddle where you don't have to sacrifice comfort

Shimano Ultegra / 105 Innenlager SM-BBR60 Hollowtech II Schwarz - ITA Gewinde bullitt Material: brassShimano Ultegra 105 bottom bracket SM BBR60 Hollowtech II Black ITA thread SM BBR60 bottom bracket shells for the new Ultegra Hollowtech II crankset FC 6800. Suitable for frames with ITA thread (70mm). Bearings positioned outside for better weight distribution and greater stability Bottom bracket has smaller bearings than current model for lightweight construction New improved sealing provides 50% less resistance ITA thread (70mm width) New seal