Titanium Grade 5 syncronized single-chainring for 4 arms 104 mm BCD cranksets (e.g. SRAM X01, Shimano XTR, XT, Specialized S-Works Carbon 2014…). The special Titanium Grade 5 allows a three time longer life than any aluminum alloy on the market. It doesn't require the chain-guide. Made in Italy.
Compatible with 11s and 12s groupsets