Originally posted by tripleaj
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You are correct, the 120 series GX/Standard 17x6 rims are a +50 offset. Check page 324 of your owners manual for the different track measurements, 1535mm for the 17x6 wheels and 1575mm for the 17x7.5 wheels. The 40mm difference is 20mm per wheel. ET30 + 20 = ET50
Originally posted by Peterpilot
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