Any MK1 owners in UK have offset 26 wheels (when offset is 45)? 🤔

[Mx_Kacey]

data is from here:

(source: PCD Mazda MX-5 (1990 - 2005) 4x100 wheels | PCD, Offset, Center Bore, mounting and tire size data )

i’ve changed the question cos i’m pretty sure @John_M is going to be right.

i originally asked about spacers, thinking the wheels were going to be too far inside the arches. looks like i won’t need spacers. instead, i’m interested if any uk owners have offset 26 wheels when the offset of the car is 45.

also, if the description of the wheel says “This wheel can accommodate any centerbore up to 73.1” and mine is 54.1, does that mean i have to buy spigots to build it up to 73.1?

thanks

[John_M]

Somebody will correct me if I have this round my neck, but the 45 offset is towards the car I believe. In other words the wheel centreline is 45mm inside the mounting face. Your 26 offset wheel will already ‘stick out’ 19mm more than the OE wheel. So no spacer.

I’d guess 19mm is within reasonable limits but that’s not something I would pontificate on.

Yes you’ll need spigot rings.

[Mx_Kacey]

i bet you are right. thank you

[Wardy5]

You also need to consider the width of the new wheel, versus your current one.

As an example, a 7J wheel will be an inch wider than a 6J.

[Mx_Kacey]

excellent point, i should have put that in.
i have 16" x 6.5 at the moment, it would mean going to 15" x 7.5

[NickD]

8" wide with a 20 offset used to be a common thing. You probably need to ask on the Nutz Facebook page.

[Mx_Kacey]

thank you, thats good to hear.
i’m not on the facebooks tho.

[MikeyC]

Posters often get pointed to Will They Fit on the Z4 Forum when questions about offset and fitment come up: https://www.willtheyfit.com/

It should help you compare different wheel options.

[Mx_Kacey]

https://www.willtheyfit.com/ is really good.

i’m just wondering tho, if i’m going from 16’’ wheel to 15’’ wheel, it says Arch Gap Loss will be -7.45mm.
so i take it that means the same as an arch gap gain of 7.45mm

(and can anyone suggest which spigots i buy to go from 54.1 - 73.1 cos there’s loads of them)

[ast]

mx5nutz.com. But its a shadow of its former self.

[Benji93]

I believe my rpf1s are around that spec, maybe et25, I can’t remember

But that’s about as wide as you can go before you’ll need to make adjustments

[Benji93]

In my personal experience I’ve never used spigots , some people say they’re just for mounting it on the hub but I’m sure someone else will argue a reason for them

But I’ve seen no downsides to not having them

[John_M]

I would definitely want spigot rings. 12 years ago I bought an NB with aftermarket wheels that had a constant shake that never really went away above low speed. When I swapped the wheels I discovered a spigot ring was missing. Can’t prove that’s what caused it but on the replacement wheels with 4 rings it never came back.

Make is immaterial provided they re the right size.

[NickD]

Wheel spacers

  Something I wrote elsewhere.   Lets start with wheels. If you don’t understand what offset is, use Google. However, what size wheels fit an MX-5?  Tyre width and “Lows” make a difference. Assuming you are going to fit proper size tyres then for a MK1, from the hub face of the car, the bit the wheel actually bolts to, the original 14" MK1 wheel’s outer face was about 35mm further out. So if you want wider wheels, you need to work out your width and offset.  So if you have a 15 x 7J wheel…