Thread Tools Display Modes
Old 06-09-2013, 08:57 AM   #1
Junior Member
Join Date: Jul 2012
Posts: 2
ST145/R12 upgrade to ST175/80R-13

I have searched the great depths of this forum and cannot find anything about larger rims/tires on my popup. We have a 2002 Flagstaff 205 that currently has a set of ST145/R12 and we are looking to upgrade to an ST175/80R13. The tire diameter is 2.8" larger with would raise the trailer 1.4". Not a bid deal but is there enough room to accommodate the larger diamter in the wheel well? Trailer is about 2 hours away in storage or I would just buy a rim/tire and try ti out!!

Some feed back would be great.

Tire size: ST145R12
Section width: 5.7"
Outer diameter (when inflated): 21.3"

Tire size: ST175/80R13
Section width: 7"
Outer diameter (when inflated): 24.1"

rootem is offline   Reply With Quote
Old 06-09-2013, 09:03 AM   #2
Senior Member
wyo700's Avatar
Join Date: Jul 2012
Posts: 869
The best thing to do is go and measure how much room your pop up actually has. By measuring from the top of the tire to bottom of fender. Pretty much gonna be the only way of knowing.
2012 Sandstorm 203slc
2013 Toyota Tundra
Eqil-l-izer hitch,Prodigy P3
2014 Honda Pioneer 700-4
2004 Yamaha Grizzly 660
wyo700 is offline   Reply With Quote

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

» Virginia Campgrounds

Reviews provided by is not in any way associated with Forest River, Inc. or its associated RV manufacturing divisions.

Our Communities

Our communities encompass many different hobbies and interests, but each one is built on friendly, intelligent membership.

» More about our Communities

Automotive Communities

Our Automotive communities encompass many different makes and models. From U.S. domestics to European Saloons.

» More about our Automotive Communities

Marine Communities

Our Marine websites focus on Cruising and Sailing Vessels, including forums and the largest cruising Wiki project on the web today.

» More about our Marine Communities

Copyright 2002-2015 Social Knowledge, LLC All Rights Reserved.

All times are GMT -5. The time now is 03:41 PM.