Technical features and teeth ROUND MONORING KITKit includes one chainring with teeth of your choiceteeth available with SYNC ARI XX1 stop drop Narrow-Wide shape which do not require guidechain use : 30 / 32 / 34 / 36 / 38 / 40teeth available with higher special tooth shape but which require guidechain use :31 / 33 / 35 / 37 / 39this monoring is compatible with the following cranksets SRAM:X1 BCD94in the order it has to be specified if chainrings are for 9 / 10 / 11 / 12 speedif you don't have the special screws for X1 BCD94 you can find them here
if you have the crankset model X1 1400 with removable spider you can also use:the spider for XX1 and the chainrings XX1 BCD76you find them hereorthe spider for ARI K - M and the dedicated chainrings ARI K - M you find them herewith both solutions you can use smaller chainrings than those of the original spider BCD94
Technical features and teeth OVAL MONORING KITKit includes one chainring with teeth of your choiceteeth available with SYNC ARI XX1 stop drop Narrow-Wide shape which do not require guidechain use : 32 / 34 / 36 / 38 / 40teeth available with higher special tooth shape but which require guidechain use :33 / 35 / 37 / 39this monoring is compatible with the following cranksets SRAM:X1 BCD94in the order it has to be specified if chainrings are for 9 / 10 / 11 / 12 speedif you don't have the special screws for X1 BCD94 you can find them here
if you have the crankset model X1 1400 with removable spider you can also use:the spider for XX1 and the chainrings XX1 BCD76 find them hereorthe spider for ARI K - M and the dedicated chainrings ARI K - M find them herewith both solutions you can use smaller chainrings than those of the original spider BCD94