* Ultra Durable 7075-T6 Aluminum (Same as Sugino Zen, Shimano Dura Ace and Campagnolo Pista)
* 144mm BCD (Bolt Circle Diameter)
* 1/8" Nominal Width
* Black 55T 

Our Largest and Best Quality Fixed Gear/Track Chainring.  
Exceptional 7075-T6 Hybrid Aluminum Alloy is the highest grade of material used in the cycling industry.  
Similar quality chainrings cost over 300% more.

USA SELLER - DELIVERED IN DAYS, NOT WEEKS!

(All 50 states, territories, Puerto Rico, APO FPO, Palau)