ENDURO "MINI ACB" UPPER BEARING 14.2MM X 25MM X 6.5MM USED ON TREK SPEED CONCEPT IN 440C STAINLESS STEEL

Sealed 440C stainless steel bearing for superior corrosion resistance. This is an upgrade for the upper headset bearing for the Trek SPEED CONCEPT frames. It is a relatively small bearing for a headset application due to the fact that it interfaces with the small metal shaft of the integrated aerobar.

PART NUMBER 276442-440C