AARN 144#48 Limited Edition Track Chainring (144BCD//48T)
The standard in high-quality designer track bicycle chainrings since 2008, these rings feature a unique tooth profile designed for maximum engagement and minimal wear. Manufactured in California, USA, from certified 7075-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.Description:
• Brand New
• Limited Edition (might never make 48T rings again.)
• Made by 7075 alloy