All 3 sizes have built-in M8 threaded standoffs to provide the ideal 1X chainline. They improve stock Sram chainline by 1mm. You will require longer than stock bolts. Read below.

If you wish to check for frame clearance with new oval ring, below you can find measurement of biggest dimension of the oval (tip to tip of tooth):

30T: 134mm; 32T: 143mm; 34T: 151mm

YOU NEED LONGER BOLTS TO 94BCD CHAINRING:

You will require longer than original bolts that can be purchased from us. Pick "Long set of 4". You can also use a granny ring bolts (from 64bcd chainring) or use the ones that connect middle and big ring from 3X crank.