It's down to the size of the parts that directly sit on the freewheel and chainring.
If one chain has a slightly smaller diameter of "rollers" the the larger one will pull the wheel in slightly... I gather you are talking about a small amount of difference here?
It's down to the size of the parts that directly sit on the freewheel and chainring.
If one chain has a slightly smaller diameter of "rollers" the the larger one will pull the wheel in slightly... I gather you are talking about a small amount of difference here?
Fixed