grate

Looking at a ski for sale that has aftermarket grate and plate for racing. If I wanted to swap these out for a freestyle ride which ones should I get?

Hey guys, Hoping to get a little feedback on my design before manufacture. I've got a stock SJ650. It's my first ski and I'm having a blast on it. I ride on Loch Lomond, and it can get a bit rough, when the ski looses traction it's kind of like hitting the brakes, I've just rode a sx650 and...