Tyre Choice new 18" wheels and tyres, what size do i need?

psykik · 1st October 2007, 17:29

looking to buy new 18" wheels and tyres for a type s gt. This being the first time im buying new wheels, what size should i be asking for? ie ive been quoted 225/35/18 and 7.5", 8" and 8.5" None of which makes any sense to me.

Also for a more comfortable ride, what tyres should i be going for, Bridgestone Potenza or Michelins, or other?

Thanks

Pottsy · 1st October 2007, 17:57

They should be 225/40/18 on a 7.5" wheel. The 7.5" is just the width of the wheel.

The offset needs to be the same as the OEM wheels, but I'm afraid I don't know what it is. Maybe a dealer could help?

For a comfortable ride, you need 16" wheels. For an OK ride you need 17" wheels. If you go for 18" or 19", you are going to have to suffer to be beautiful. The difference between manufacturer will be negligible.

psykik · 1st October 2007, 18:14

Pottsy, great stuff, just what i needed as will be on the phone to wheel dealers tomorrow looking for the best quote, probably going with Aez Excite Dark wheels and Bridgestone RE050 tyres.

Thanks

crazydave68 · 1st October 2007, 18:28

The offset you require is a minimum of +45, maximum +55 (ideally +45). This is the figure which affects the track of the car, ie the distance between the wheels, so a higher offset will give a wider track (better handling but increased tyre wear). Honda recommend +45.
The PCD you need is 5 x 114.3, the 5 indicates 5 stud and 114.3 is the distance between the hole centres (pitch centre difference). Hope this helps.

psykik · 1st October 2007, 18:56

crazydave68 wow thats great, now i can talk to the tyre and wheel dealers with a bit more confidence.

Will go with +45!

Thankyou

vantoom · 7th February 2008, 20:11

I think you have mistaken the theory, it is opposite than you said. The smaller the offset, the more the wheels extend from the car center, ie the wheelbase becomes wider. It can be adjusted by wider wheel width. For more see Wheel Offset Calculator
Cheers

Dimplyred · 7th February 2008, 22:06

Quote:

Originally Posted by psykik

Pottsy, great stuff, just what i needed as will be on the phone to wheel dealers tomorrow looking for the best quote, probably going with Aez Excite Dark wheels and Bridgestone RE050 tyres.

Thanks

The Bridgestones are standard fitment on the Type R.

1st October 2007, 17:29	#1 (permalink)
psykik Supporter Triangular Exhaust Join Date: 28th April 2007 Posts: 447 Thanks: 0 Thanked 2 Times in 2 Posts	new 18" wheels and tyres, what size do i need? looking to buy new 18" wheels and tyres for a type s gt. This being the first time im buying new wheels, what size should i be asking for? ie ive been quoted 225/35/18 and 7.5", 8" and 8.5" None of which makes any sense to me. Also for a more comfortable ride, what tyres should i be going for, Bridgestone Potenza or Michelins, or other? Thanks

1st October 2007, 18:14	#3 (permalink)
psykik Supporter Triangular Exhaust Join Date: 28th April 2007 Posts: 447 Thanks: 0 Thanked 2 Times in 2 Posts	Pottsy, great stuff, just what i needed as will be on the phone to wheel dealers tomorrow looking for the best quote, probably going with Aez Excite Dark wheels and Bridgestone RE050 tyres. Thanks Last edited by psykik; 1st October 2007 at 18:20.

7th February 2008, 20:11	#6 (permalink)
vantoom Valve Cap Join Date: 1st February 2007 Posts: 3 Thanks: 0 Thanked 0 Times in 0 Posts	Wheel offset I think you have mistaken the theory, it is opposite than you said. The smaller the offset, the more the wheels extend from the car center, ie the wheelbase becomes wider. It can be adjusted by wider wheel width. For more see Wheel Offset Calculator Cheers

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This thread is about: new 18" wheels and tyres, what size do i need?, it's in Wheels, Tyres, Suspension and Brakes at the Honda Civic forum Civinfo; looking to buy new 18" wheels and tyres for a type s gt. This being the first time im buying new wheels, what size should ...

1st October 2007, 17:57	#2 (permalink)
Pottsy Administrator Civinfo guru Join Date: 10th April 2006 Location: Leics Posts: 4,674 Thanks: 3 Thanked 51 Times in 25 Posts	They should be 225/40/18 on a 7.5" wheel. The 7.5" is just the width of the wheel. The offset needs to be the same as the OEM wheels, but I'm afraid I don't know what it is. Maybe a dealer could help? For a comfortable ride, you need 16" wheels. For an OK ride you need 17" wheels. If you go for 18" or 19", you are going to have to suffer to be beautiful. The difference between manufacturer will be negligible.

1st October 2007, 18:28	#4 (permalink)
crazydave68 Space Ship Pilot Valve Cap Join Date: 3rd September 2007 Location: Andover Posts: 24 Thanks: 0 Thanked 0 Times in 0 Posts	The offset you require is a minimum of +45, maximum +55 (ideally +45). This is the figure which affects the track of the car, ie the distance between the wheels, so a higher offset will give a wider track (better handling but increased tyre wear). Honda recommend +45. The PCD you need is 5 x 114.3, the 5 indicates 5 stud and 114.3 is the distance between the hole centres (pitch centre difference). Hope this helps.

1st October 2007, 18:56	#5 (permalink)
psykik Supporter Triangular Exhaust Join Date: 28th April 2007 Posts: 447 Thanks: 0 Thanked 2 Times in 2 Posts	crazydave68 wow thats great, now i can talk to the tyre and wheel dealers with a bit more confidence. Will go with +45! Thankyou