Bottom Bracket Question

[Judderz]

If I have on the bike currently a Shimano Tiagra BB (to fit a Sora Hollowtech II chainset), can I upgrade to a 105 or even an Ultegra BB without any issues?

Cheers

 

[accountantpete]

Yes.

Basically they all have the same dia. axle.

 

[Judderz]

Cheers Pete