Cannondale 1x Mountain Spidering X-Sync SI 30 BlackThe Cannondale 1x Mountain Spidering X-Sync SI is the latest in 1x mountain biking technology. This ultralight chainring has a 10 Arm, Radial Arm Design that incorporates Sram’s X-Sync alternating thick and thin tooth layout. The Crank Arm Interface is non-keyed, so the rings can be rotated 90 degrees for maximum lifespan. Weighs only 46g.884603639344
