Birzman Freewheel Remover for Shimano Hollowtech II crankset.

16 notches Ø44mm.

Can also be used for other crankcases with the same dimensions as well as for an external locking ring with 16 studs for disc brakes.

The top is put on a 1/2" socket wrench.

This freewheel remover can also be used with Shimano inserts with model numbers TL-FC24 and TL-FC25.