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RRR52
07-09-2012, 07:53 AM
I will be replacing tires soon on my standard 17 inch rims - the Euros have 98 load rated tires as standard (both standard and Lux model. I want to drop from 225/50/17 to 225/45/17 (I don't mind shortening the gearing a smidge), but can't find any 225/45's rated over 94.

Tire fitters and insurers won't go for anything less than 98 even though it might be technically safe to go with 94.

Anyone know of some?

MR_LATE
07-09-2012, 02:38 PM
would it be cheaper to buy 18 inch rims? or is it the load rating being a b!tch

natnat
07-09-2012, 11:28 PM
i doubt you will ever find 225 45 17 in 98 load rating, 94 is the highest for that size.

not worth the legality risk and 225 50 17 diameter is already smaller than the lux model 235 45 18.

ChaosMaster
08-09-2012, 08:31 AM
Any reason why you want to go down a size?

tony1234
08-09-2012, 08:55 AM
You should go with 235/45/17s.Common size.Falcons and Commos run them.

MR_LATE
08-09-2012, 09:00 AM
Doesnt the middle number determine the width??. So lower profile. Correct me if im wrong please as im not sure about tyres

tony1234
08-09-2012, 09:14 AM
Doesnt the middle number determine the width??. So lower profile. Correct me if im wrong please as im not sure about tyres
225/50/17 means 225 mm width,50 is the profile in percentage of the width and 17 of course is the tyre size in inches.

ChaosMaster
08-09-2012, 10:59 AM
As Tony said, 50 would be the profile, that is the "thickness" of the tyre as some would put it, or the height of the sidewall. However, if he keeps the rim diameter the same, and only reduces the profile, his speedo will be off. If his doing it for the looks, then don't. You're car will look like a 4wd, because the gaps in the arches are bigger. Actually, it'll look more like a shopping cart because the wheels are so small.