Components

• Dura-Ace level Hollowtech II bottom bracket set • Compatible with all Hollowtech II road cranksets

Replacement sleeve for frames with 68/73 mm BB shell Only fits Generation 1 external BB's (does not fit ThreadFit) King part # PBB001

Headtube ID: 49.6mm (upper and lower) Fits 1-1/8" straight steerer Built with GripLock bearing cap Sotto Voce King lasermark Stainless steel crown race  10 year bearing warranty Stack height: 37.3mm 250g