captcurt Report post Posted May 2, 2013 GM List: New to RVs and am considering adding extensions for the inner duals. Is there any wheel balance concern when adding only an inner extension? These are 19.5" wheels on a P-30 chassis Flair. Thanks Curt Michigan Share this post Link to post Share on other sites
wolfe10 Report post Posted May 2, 2013 Assuming you already have the rears balanced (not always done), yes, you will "throw off" balance by the weight of the extensions. Easy solution-- weight the extension on a kitchen scale/pharmacy scale and go to any tire dealer for exactly that amount of weight (one for each side). Install that weight directly opposite the extension. Share this post Link to post Share on other sites
tireman9 Report post Posted May 24, 2013 Based on some stated shipping weights I think you will find that a long metal valve weighs about 0.8 or 0.9 Oz more than long outer dual metal valve. Maybe if you have short metal valves then the difference might be 2.3 OZ. On rear duals you will probably not feel a 1 Oz out of balance and maybe not even a 2.3 out of balance but Bretts suggestion is reasonable if you want to worry about it. Share this post Link to post Share on other sites
