Chainring in aluminum alloy AL7075-T6, 3K glossy structural carbon fiber with Titanium Grade 5 pins.

Inner gear with 39 teeth and BCD 130 mm.

Compatible with Shimano, SRAM and Campagnolo 11-12 speed chains and groups.

It must be coupled with its outer X-CarboRing EVO 53 x 130 chainring.

100% made in Italy.