Chainring in aluminium alloy AL7075-T6, 3K glossy structural carbon fiber with Titanium Grade 5 pins. Inner gear with 36 teeth and BCD 110mm 4 arms. Compatible with Shimano Dura Ace FC-9100 and 9000, Ultegra FC-8000 and FC-6800 or SRM Origin cranksets and Shimano, SRAM and Campagnolo 10-11 speed groups. 100% made in Italy.
