Tire Size - Toyota C-HR Forum
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post #1 of 2 (permalink) Old 09-10-2017, 09:10 PM Thread Starter
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Join Date: Aug 2017
Posts: 5
Tire Size

Hey All just seeing if anyone could offer some insight. I'm looking to change the tires on my CHR (225/50/R18) to 255/55/R18 All Terrain Tires. I checked on willtheyfit.com and it says the new tires will be 27.75 mm higher and a diameter of 737.7mm vs 682.2mm (stock). Speedo loss would be -7.52%. Does this seem like it would be a good idea or do you think that this may cause other issues for my transmission and cv shafts? I dont want to swap tires if i dont have to every winter/spring, and having these off road tires would prevent that. Let me know what you guys think.
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post #2 of 2 (permalink) Old 11-15-2017, 01:18 AM
erichsieh22's Avatar
Join Date: Nov 2017
Location: British Columbia
Posts: 48
it is not acceptable unless you change to aftermarket rims, the width of the OEM rims is not enough. you need at least 8.5J to accomodate 255.
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