shaddow44 said:If that's the plastic backer I wouldn't....my brother in law bought those the first year out...every single one of them broke...Studboy sent him all new aluminum ones.
I run 171 1.375" studboy's with single pro-backers with 9" studboy shapers and have had zero problems.
4 guys I ride with have not had any issues either. 2 attacks and a 1200xr.