So my B8200 HSTD has turfs on it now, the rears are 13.6 x 16's, by the specs it looks like it could have come with 2 different size AG's for the rear, one is a 12.4 x 16, only a 1.2 inch difference in width from the turfs thats on the rear now, can I use my existing rear wheels and just swap to...