Mickey Thompson Baja Boss AT 255/85/17 (35" Pizza Cutters).

[DanW]

What is the actual outside diameter? 34.5" or do they make it closer to 35"?

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[ethanlegrand33]

What is the actual outside diameter? 34.5" or do they make it closer to 35"?

at 33 psig I’m at about 33.8”. At 37-39 psig I’m right at 34”. You’d have to be running pretty high PSI to see the 34.8” listed on the website. But, I think a lot of dually guys are running these on the rear are probably running close to max PSI and seeing that size.

 

[46flattie]

local Jeep dealer has the buy 3 get 1 for a dollar deal going on, then I saw a like new single tire on marketplace relatively close by for a matching spare - figured it was a sign. AND now I saw Mickey Thompson is offering a spring rebate right now. Too many signs not to order a set - looking forward to trying them on.

 

[jac04]

What is the actual outside diameter? 34.5" or do they make it closer to 35"?

Actual measured OD of the 255/85R17 Baja Boss AT is 34.6". This is an unloaded measurement.

 

[46flattie]

at 38 psi, with weight of truck on them, front tires measuring at or just a fuzz under 34"

 

[46flattie]

When I recalibrated, I started by putting in the 34" measured diameter. Passing a few local radar speed traps, I found it to be off a little. So I measured the rolling radius and put that value in X 2 (33.3) and now it seems to be right on based on 3 different radar speed traps. I have a trip coming up this weekend with lots of expressway, plan to verify with the mile markers over several miles.

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