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kelvo · 11th February 2019, 20:13

lower profiles will always give a harder ride because the walls are much stiffer. A 60 profile for example will have a lot more "flex" in the side wall than a 45 profile and so give a more supple ride.

I'm not sure what profiles would be fitted to 17" wheels, I know 18" run with 45 profile on the ZT and I certainly found that the Mk1 ZT could rattle your fillings on rough roads.

11th February 2019, 20:13	#2
kelvo Gets stuck in MG ZT 190 SE Join Date: Oct 2017 Location: Chatham, Kent Posts: 569 Thanks: 22 Thanked 163 Times in 135 Posts	lower profiles will always give a harder ride because the walls are much stiffer. A 60 profile for example will have a lot more "flex" in the side wall than a 45 profile and so give a more supple ride. I'm not sure what profiles would be fitted to 17" wheels, I know 18" run with 45 profile on the ZT and I certainly found that the Mk1 ZT could rattle your fillings on rough roads. Last edited by kelvo; 11th February 2019 at 20:16..