A high-quality designer track bicycle chainring with a unique tooth profile designed for maximum engagement and minimal wear. Manufactured in Peabody, Massachusetts, USA, from certified 6061-T6 aluminum plate stock. These chainrings are fully CNC machined. All edges (front and rear) are machine broken with a 45-degree 0.010-in deep chamfer. Product is packaged in brown paper with a QC certification label and number, and shipped USPS Priority Mail. More details and product photos are available at 44rn.com
+Bolt Circle Diameter: 144-mm
+Number of Teeth: 47 of 49 (choose below)
+Supported Chain Type: 1/8-in Track/BMX
+Material: Anodized 6061-T6 Aluminum
+Finish: Black or Clear Anodized (black sold out)
Now shipping internationally!!
I do not have a future run planned for this product after this one. So...if you want one get it now.
12/20/2011 - BLACK rings are sold out. Thanks!
1/18/2012 - ALL RINGS SOLD OUT.
12/20/2013 - SOME SILVER/CLEAR RINGS LEFT IN STOCK FROM PINP SALE!! GET THEM HERE NOW!!
SILVER - 47 Tooth - 59% in stock
BLACK - 47 Tooth - 74% in stock
SILVER - 49 Tooth - 49% in stock
BLACK - 49 Tooth - 88% in stock