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@Greasy_Paws
Range of movement is the same as this is defined by the H and L stop screws. The cage is the main difference as I understand it; the inner plate (The one that pushes the chain from the smaller to the bigger ring) goes a bit lower than standard road FD, it's shorter for less flex and has slightly minor radius for smaller inner chain ring.
However, try first with your current FD as it'll probably work. Shimano indicates max tooth capacity of 14T for their FD but you may get along with bigger 16T gap.