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TREK SPEED CONCEPT LOWER BEARING, CHRO STEEL
$18.00

ENDURO CHROMIUM STEEL, BLACK OXIDE "ACB 1-INCH" LOWER BEARING 27.1MM X 38MM X 6.5MM USED ON TREK SPEED CONCEPT Sealed chromium steel bearing with black oxide treatment on the outer surfaces of the bearing races. This is the lower headset bearing for the Trek SPEED CONCEPT frames.

Note: This bearing is also used on certain Niner frames as a suspension pivot bearing.

Note: Where corrosion is an issue, consider the 440C stainless steel version of this bearing.
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