Hobo1 8 Posted October 4, 2013 Share Posted October 4, 2013 What is the actual dimension for the stock rims? I heard 15x6 but what is the offset? I heard 40 but is that +/-? Link to post Share on other sites
stevesparky 20 Posted October 5, 2013 Share Posted October 5, 2013 Good question .I want to know too. I am looking for a spare rim. Link to post Share on other sites
Hobo1 8 Posted October 8, 2013 Author Share Posted October 8, 2013 Anyone know this? Link to post Share on other sites
stevesparky 20 Posted October 16, 2013 Share Posted October 16, 2013 (edited) I recently had one of my rims off on my 2013. Inside the rim, it said: GM Made in Korea DOT-T Mold.4 95 954 620 15x6J x IS45 So the rim is 15" x 6 inches wide. And the Offset is 45 mm ???? I had read somewhere the Offset was 40 mm. For example of offset and how it is measured. Next time I have a rim off, I will have to measure the Offset. Edited October 16, 2013 by stevesparky Link to post Share on other sites
Hobo1 8 Posted October 22, 2013 Author Share Posted October 22, 2013 I heard 40 also, just wasn't sure! Link to post Share on other sites
clivebixby 4 Posted November 3, 2013 Share Posted November 3, 2013 Check this out: http://www.carbibles.com/tyre_bible_pg4.html So the "J" is the tire bead, and "IS45" means Inset (or positive offset) 45mm. Link to post Share on other sites
stevesparky 20 Posted November 3, 2013 Share Posted November 3, 2013 Thanks... good info and good link. Link to post Share on other sites
m1ckDELTA 5 Posted March 22, 2014 Share Posted March 22, 2014 Why is a rim with a +40mm offset listed as compatible with my Spark? Link to post Share on other sites
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