Tyre and wheel sizes

mayor · 28th July 2007, 08:19

Hi- I am think of changing my 16" forked alloys with 215/55/16 tyres to 17" Meteors with 205/40/17 Avons. I dont think the speedo difference will be all that great but going from 55 to 40 profile I am wondering whether there is a possiblity of getting more road noise and possible less ride comfort -can anyone give me some advise on this

JohnDotCom · 28th July 2007, 11:24

I have found that the Lower profile tyres do give a Harder ride dropping that far, and they did appear noisy but some tyres are more noisy than others, so you would have to check Tyre reviews.
I have been in someones car with 18" wheels that did this and much prefered the smaller wheel 16" or 17" standard tyre size.
Speedo will also be slightly out.
Others will no doubt have their own views.

T-Cut · 28th July 2007, 13:03

Quote:

Originally Posted by mayor

Hi- I am think of changing my 16" forked alloys with 215/55/16 tyres to 17" Meteors with 205/40/17 Avons. I dont think the speedo difference will be all that great but going from 55 to 40 profile I am wondering whether there is a possiblity of getting more road noise and possible less ride comfort -can anyone give me some advise on this

The ride is harder on low profile tyres because you lose the resillience of the deeper walls. Low profiles also have stiffer walls I believe, which adds more to the harsher feel. Doing the simple maths, your speedo will be just over 99% accurate (reading faster than actual) compared with the standard reading.

TC

28th July 2007, 08:19	#1
mayor Loves to post Rover 75 CDTi Join Date: Dec 2006 Location: Porthcawl Posts: 294 Thanks: 0 Thanked 0 Times in 0 Posts	Tyre and wheel sizes Hi- I am think of changing my 16" forked alloys with 215/55/16 tyres to 17" Meteors with 205/40/17 Avons. I dont think the speedo difference will be all that great but going from 55 to 40 profile I am wondering whether there is a possiblity of getting more road noise and possible less ride comfort -can anyone give me some advise on this

28th July 2007, 11:24	#2
JohnDotCom * Rover 75 FaceLift Tourer CDTi 170BHP Auto ConnSE 2005 Model Starlight Silver Join Date: Nov 2006 Location: Abergele Posts: 28,735 Thanks: 0 Thanked 6 Times in 5 Posts	I have found that the Lower profile tyres do give a Harder ride dropping that far, and they did appear noisy but some tyres are more noisy than others, so you would have to check Tyre reviews. I have been in someones car with 18" wheels that did this and much prefered the smaller wheel 16" or 17" standard tyre size. Speedo will also be slightly out. Others will no doubt have their own views.