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aarn 144# chainring

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A highest-quality designer track chainring with a unique tooth profile designed for maximum engagement and minimal wear.

Manufactured and fully CNC machined in Peabody, Massachusetts, USA from certified 6061-T6 aluminum plate stock. All edges (front and rear) are machine broken with a 45-degree 0.010-in deep chamfer for extremely smooth operation.

Product is packaged in a custom letterpress printed envelope. More details and product photos are available at 44rn.com

• 144bcd

• 1/2"x1/8"

• sizes: 47, 49 or 51t

• colors: black, silver

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