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[Closed] Which adapter for the new smaller dia Shimano BB cups?

Bike Forum

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Vortexracing

Posts: 5111

Full Member

Topic starter

just got a M8000 crankset and a new BB.

The new BB cups are smaller in dia then the usual ones and need an adapter.

however there seems to be two numbers one is

TL-FC24 and the other is TL-FC25

can anybody enlighten me as to which is correct please?

Dave

Posted : 17/06/2016 7:43 pm

jam-bo

Posts: 23277

Free Member

I've just fitted a new BB on my road bike, wasn't expecting the smaller cups in the box. The adaptor that came with it is a TL-FC25

Posted : 17/06/2016 9:25 pm

scotroutes

Posts: 43345

Full Member

Aye. The one in the box.

Posted : 17/06/2016 9:27 pm

Vortexracing

Posts: 5111

Full Member

Topic starter

I bought the cranks off here, and no adapter in the box 🙁

cheers

I'll order a TL-FC25

Posted : 17/06/2016 9:31 pm

reggiegasket

Posts: 943

Free Member

24 is for the smaller diameter ones, like Dura Ace (maybe M9000 too?)

Posted : 17/06/2016 9:36 pm