Not got what your after, but I've got square taper cranks, or hollowtech with a narrow/wide single chainring.
Or 7800 (170) or 5700 (165) but both are 53/39 chainrings
Not got what your after, but I've got square taper cranks, or hollowtech with a narrow/wide single chainring.
Or 7800 (170) or 5700 (165) but both are 53/39 chainrings
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