The sram x01 xsync 94bcd 11 speed chain ring are designed as ring replacements for your x01 cranks with a 94 mm bcd they are perfect to replace your old and worn out rings with the sram x01 x sync chain rings you also have the ability ot upgrade your gearing range to offer a more performance orientated riding style that caters for a large range of riding styles with the addition of a light weight build the sram x01 xsync 94bcd 11 speed chain ring is also remarkably sturdy creat