I'm pretty sure it will work. I don't think there's anything different about the 20mm axles on rockshox forks. Just to see if it would work, I tried it on my boxxer. It fit perfectly and the boxxer has its own style axle so if there's any 20mm fork in the RS lineup where this wouldn't work, I would guess boxxer. Since you are in Canada, I would do some research just to be safe though. Returns will be a pain for both of us.
thanks,
Russ