Sram Rival 1 X-SYNC Chainring 44T 110 BCD GreyThe Sram X-SYNC Chainring 44T 110mm BCD is designed for the 1x drivetrain to be superiorly functional without a chain guide. CNC Machined alloy with the new 5 bolt X-SYNC technology gives you the simplicity of thick teeth and precise spacing to best control the chain as you explore the outer limits of nature. Or while you leave your cyclecross competitors in the dust as they flip through their plethora of gears. Grey in color.710845750625