Sram X-Sync 2 30T direct mount -4mm offset black Fat

With the X-Sync 2 30T direct mount -4mm offset black Fat chainring with -4 millimeter crank, standard XX1, X01 and GX1 Eagle cranks can be driven on Cannondale AI frame. In addition, the chainring is suitable for Sram FAT5 Fatbike cranks.