aarn 144# chainring
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
• sizes: 47, 49 or 51t
• colors: black, silver