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aarn x Retrogression 144# chainring - Bloody Black

❌ SOLD OUT

Our old friend Aaron Panone's now legendary 144# chainring is true work of art and passion for flawless technical design with a unique tooth profile designed for maximum engagement and minimal wear, manufactured to the highest quality standards.

Manufactured and fully CNC machined in California from certified 7075-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.

We've been calling this colorway the "blood-dipped half-moon cookie", for obvious reasons.

Packaged in a letterpress printed envelope featuring our logo.

If you arrived late to the party, 47t were here but are already sold out. Other sizes will be here soon. Sign up for a stock alert and be the first to know!

 

⚠️ aarn chainrings are not returnable or exchangeable under any circumstance.

• 144mm bcd

• 1/2 x 1/8"

• sizes: 47, 49, 51 or 53t

• color: Bloody Black

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