I have had a below the knee amputation recently, will I be able to go back to rollerblading and cycling ?

I used to play roller hockey and loved it, I also used to bicycle a ton. I recently under went below the knee amputation and I want to get back to my old life and get active again. I want to know if these things are possible for me and where can I find the help and equipment needed o get this done? Please some one help me out here.