This bottom bracket is designed to interface a Shimano 24mm Hollowtech 2 Crankset with a bike frame that uses an Italian Bottom Bracket.
- Italian threaded 70mm (-0/+1mm) Threaded (36mm x 24TPI, some references quote this as 36mm x 1.0mm)
- Drive side has a Right Hand Thread, Non Drive Side has a Right Handed Thread
- Designed for Shimano Hollowtech 2 Axles (Sora, Tiagra, 105, Ultegra, Dura Ace)
- The drive and non drive sides are aligned via an internal male/female sleeve
- Top of the range 6805 SKF/NTN/FAG/NSK bearings fitted as standard
- Non contacting Seals