I see the Polaris grippers are 6 3/4" wide with a 1 1/2" keel height..
The pro steers are 1" keel height.
The 1 1/2" keel might be to much for groomed trails on the gripper ski's???
I have a set of C&A Pro3 xcs ski's and they rail the corners in groomed trails hard. Get you up on powdered snow good too. The thing is they rail so good on groomed trails it gives you Popeye arms,lol. It's the one inch keel, 8 inch carbide that do this. I had to loosen my ski pressure by 5/16" from stock ski's as they bite so hard on groomed trails. They work perfect in powder snow though.
It's almost a perfect 50/50 ski.
Problem is they rail so hard on groomed trails that it takes a little to much effort.
The ski's are 6 3/4" wide with a 1 inch keel. I also have 8 inch carbide.
I'm cutting the keel down 1/4" to make it 3/4" keel overall and they will be perfect then.
I'm worried about the 1 1/2" keel on gripper ski's for you as they might bite to hard on groomed trails as I've seen on my C&A ski's.