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Old 04-20-2014, 11:43 AM   #20090
Gnarly Adventurer
Joined: Nov 2007
Location: Lagunatic Beach
Oddometer: 283
So if I am reading it correctly, the OEM Battlewings on my 2011 xc, front 90/90-21 is bias ply; the Rear 150/70-17 is radial ply. The Heidenaus appear to be bias front and rear-can't find the specific designation on line or on the tire. If I should decide to try the full bores, should I go m-40 radial on the rear and m-41 on the front (only have 90/90-21 in bias).

I thought you weren't supposed to mix radial and bias, yet it appears that several Triumph models do.
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