Chainring in aluminum alloy AL7075-T6, 3K glossy structural carbon fiber with Titanium Grade 5 pins. 
Outer gear with 53 teeth and BCD 110mm 4 arms.
Compatible with Shimano Dura Ace FC-9100, Ultegra FC-8000 or SRM Origin 9100 cranksets and Shimano, SRAM and Campagnolo 10-11 speed groups.

X-CarboRing is the next-generation of superlight aluminum/carbon fiber road chainrings by Carbon-Ti.

The main body of structural carbon fiber presents CNC workings and titanium shaped pins for amazing shifting performance with mechanical or electronic derailleurs.

Every aluminum alloy Al7075 tooth is individually worked to optimize the operation in every condition.

100% made in Italy.