AARN 144#47 & 144#49 Track Chainrings in stock at Prolly



Great news for you guys who’ve always wanted to get an AARN chainring but were always too late, Prolly is currently stocking a bunch of the chainrings, available in black or silver, with the option of 47T and 49T rings. Supposedly they’ve made a couple of hundred rings, but if you want one, I suggest not waiting too long as these fantastic rings have a history of becoming sold out real quick. Get ’em here.



From Prolly’s shop:

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.


Technical Details:

+Bolt Circle Diameter: 144-mm
+Number of Teeth: 47 or 49
+Supported Chain Type: 1/8-in Track/BMX
+Material: Anodized 6061-T6 Aluminum
+Finish: Black or Clear Anodized

Now shipping internationally!!


Price $88 + $8 domestic FLAT RATE PRIORITY /$22 international FLAT RATE PRIORITY shipping


*Our cost went up on these chainrings considerably and we decided to ONLY ship FLAT RATE PRIORITY due to slow shipping times in the past. We apologize for the increase in cost.