Hollow tech bottom bracket compatability

[PaulSecteur]

Hi,

Are the hollowtech bottom brackets compatable with other levels of components?

Say Tiagra or 105 chainset with Ultegra Bottom bracket?

 

[ianrauk]

yes
I have 105 cranks and Ultegra BB on my Secteur.

 

[PaulSecteur]

yes

Tickerty-boo!

Cheers.