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gsa612 · 07-11-2019, 08:20 PM

Those would be bias ply,radials start with a "C".With Hoosiers the lower the number the softer the compound.The 30.0 X 9 # 18200 seems to come in a DO5 or DO7.While the 29.0 x 9 #18160 comes in a DO6 or DO7. gsa612

07-11-2019, 08:20 PM	#3
gsa612 Senior Member Join Date: Jan 2008 Location: 100th Meridian Posts: 570 Likes: 116 Liked 280 Times in 139 Posts	Re: Tire question Those would be bias ply,radials start with a "C".With Hoosiers the lower the number the softer the compound.The 30.0 X 9 # 18200 seems to come in a DO5 or DO7.While the 29.0 x 9 #18160 comes in a DO6 or DO7. gsa612