The BBT-19.2 is used to remove and install external bearing crankset bottom brackets. Fits external bearing bottom brackets with 16 external notches and an outside diameter of approximately 44mm.
The BBT-19.2 works with many external bearing crankset bottom brackets, including:
Shimano® XT BB70B
And previous external bearing threaded cups
Also fits many external Threaded types for:
Race Face X-type®