Lightest 15" Alloys?

[Mystic]

Hey folks,

Whats the lightest 15" alloy (in 4x108 fitment) folk can think of?

If anyone knows weights of specific alloys post em up in here and ill collect all the info together.

Cheers :)


Rough List so far:

Citroen C5 steelie = 4.8kg -Unconfirmed
O.Z. Super Leggera 7"x15" = 4.9kg -Source (http://www.ozracing.co.uk/superleggera_race_silver.htm)
O.Z. Ultra Leggera 6.5" x 15" = 5.2kg -Source (http://www.potn.co.uk/p1019150.htm)
Rota Slipstreams 7"x15" ET40 = 5.4kg -Source (http://www.potn.co.uk/p1040456.htm)
Team Dynamics Pro Race 1.2 = 6.4kg -Unconfirmed

[Peasnall]

had a quick search and found -

OZ Superleggera rims weighed just 4.7kg in 15"

[Mystic]

I just checked the OZ site and only mention i can find of the weights are:

O.Z. Superleggera 7"x15" = 4.9kg -Source (http://www.ozracing.co.uk/superleggera_race_silver.htm)

[Toad]

I've seen both weights mentioned, so it's not clear which is correct. Perhaps it depends on the fitment... Anyway, as far as alloy goes, these are definitely the lightest, however, they don't make them anymore, so perhaps they don't count! Shame...

Ultraleggera have replaced this design, they aren't quite as light, and they look fugly IMO too...

[AXracing]

How much cash do you have? There are a few making good magnesium wheels, I had some from speedline and was very happy with them. Though they were £333+VAT each.

[Mystic]

Well, im more interested in "off the shelf" alloys. I've heard it mentioned that superlegs were the lightest but i'd like to see by how much as alot of track based cars on here run speedline chronos or team dynamics etc

[Toad]

How much cash do you have? There are a few making good magnesium wheels, I had some from speedline and was very happy with them. Though they were £333+VAT each.

Out of most people's budget I reckon.

[Toad]

Well, im more interested in "off the shelf" alloys. I've heard it mentioned that superlegs were the lightest but i'd like to see by how much as alot of track based cars on here run speedline chronos or team dynamics etc

I think the TD Pro Race 1.2 weigh 6.4kg.

[AXracing]

Had a set of Comp2's for a short time and they were not bad. Tone of space for brakes as well. Did not pay for them but dont think they cost much new. May be worth a look?

[Aron]

Rota slipstreams are lighter then Leggra's by .2kg per wheel

[Quick]

Also consider the C5 "Steelie" alloy only 4.8kg and saxo ofset!

http://i58.photobucket.com/albums/g254/gecko8/wheel.jpg

[Yates]

how wide is the c5 alloy?

my chrono's with r888s on in 50 profile weight on average 18.3kg on my not very accurate at all digi bathroom scales lol

wouldnt mind some c5 steelies alloys like

[Yates]

dont suppose anyone has the part number for those c5 steelies

[rushy_23]

Its on Rallye Reg somewhere, I heard that when Citroen realised how popular they were
becoming they jacked the prices up?

[Yates]

each citroen dealer is private rush, so i cant see them all putting them up

[Toad]

how wide is the c5 alloy?

my chrono's with r888s on in 50 profile weight on average 18.3kg on my not very accurate at all digi bathroom scales lol

wouldnt mind some c5 steelies alloys like

That's really heavy.

[Toad]

Rota slipstreams are lighter then Leggra's by .2kg per wheel

I can't find any with 108 PDC. Link?

[rushy_23]

I just checked the OZ site and only mention i can find of the weights are:

O.Z. Superleggera 7"x15" = 4.9kg -Source (http://www.ozracing.co.uk/superleggera_race_silver.htm)

Remember though wheel weight will also depend on the offset. A larger offset
of something like ET40 will weigh less than a wheel of offset of ET10.

Think about it. The hub of the wheel will be 30mm deeper on the ET10 when
compared to an ET40.

I imagine most manufacturers weigh the wheels they sell at the lowest offset
possible. I put my 15x7 ET37 superlegs on a weighing scale ages ago and it
recorded and just over 4.9kgs. But then I have the H&R+ Trak spacers. They
are aluminium and are 25mm wide.. So overall ET of 12.
Compare that to a wheel with an ET of 12 in the first place and even though
Im running extra weigh due to spacers the ET12 will weigh more than the ET37.

Crap Im just babbling on but it makes sense..

[rushy_23]

There you go Toad:
http://www.potn.co.uk/p1040456.htm

http://www.potn.co.uk/images/rota/slipstream_flat_black-124x125.jpg

ET40 so you will need around 25mm spacers on these babies to fit your Pug..

Actually quite like these :D

[Mystic]

EDIT: Scratch that i just misread that part... ET10 is heavier than ET40 :y:


Its a shame the manufacturers dont put that kinda info with the wheels tbh, i bet the delivery companys know how much they weigh :P

According to that the slipstreams weigh 5.4kg so heavier than leggeras

[rushy_23]

Have to take width into regards with some wheels too. I was looking at Speedline Turini's
and they are fat mofos! 15x6.5 and they touch nearly 8kgs I think! But then they have
a lower ET rating..

[Mystic]

Yeh i've put widths in where they are provided. Super legs still take it i think though, 7" wide & very light although you need a spacer. Slipstreams are the same.

Ultra legs are light but only 6.5" but they fit direct to the car. Hmmm

[rushy_23]

In a way then the Ultralegs seem a good bet too! Thats probably why they weigh a little bit
more than the Superlegs.. Hmm you got me thinking now..

[Mystic]

Need the weights of one of your spacers then rush. What size of spacer you use? I'm heading out to the workshop this afternoon so i'll weigh the 20mm one i've got out there. Think they are about 2kg each though :P

[Yates]

c5 alloys - 66 each from my citroen lol

im still wanting some ultra's or legga's if i can, but been looking at the pro race 1/2s i think thats what they are lol

[Toad]

There you go Toad:
http://www.potn.co.uk/p1040456.htm

http://www.potn.co.uk/images/rota/slipstream_flat_black-124x125.jpg

ET40 so you will need around 25mm spacers on these babies to fit your Pug..

Actually quite like these :D

Good find dude. I've already got another set of rims coming my way shortly... :)

[Toad]

Have to take width into regards with some wheels too. I was looking at Speedline Turini's
and they are fat mofos! 15x6.5 and they touch nearly 8kgs I think! But then they have
a lower ET rating..

Yeah, my Turini rims weigh 8kg, but they come in the correct fitment.

[Toad]

Need the weights of one of your spacers then rush. What size of spacer you use? I'm heading out to the workshop this afternoon so i'll weigh the 20mm one i've got out there. Think they are about 2kg each though :P

Good spacers should weigh next to nothing...

[Mystic]

I forgot to weigh em anyway & im home again now :sad:

[rushy_23]

c5 alloys - 66 each from my citroen lol

im still wanting some ultra's or legga's if i can, but been looking at the pro race 1/2s i think thats what they are lol

Trust me dude I know you said each dealer was private but they werent that
much initially! Like I said not my quote but taken for the Rallye Reg...

[rushy_23]

Titanium spacers for the win then Toad? Talking easily £400+ imo for a set of them, then
what about the titanium bolts to match.. Mortgage on your wheelage!

[Toad]

Titanium spacers for the win then Toad? Talking easily £400+ imo for a set of them, then
what about the titanium bolts to match.. Mortgage on your wheelage!

Alloy ones should be light enough don't you reckon? :ponder:

[daz_rt_04]

does anyone know the weight of vts wheels?

[Mystic]

On the heavyside for sure dude, i'll stab at 10kg minimum.

[Toad]

On the heavyside for sure dude, i'll stab at 10kg minimum.

I'll stab at 8... :zainy:

[Jimmy-Boy]

speedline corse are light weight iirc.

[Mystic]

I just want them to be really heavy so that i just go out and buy some superlegs ;)

[Toad]

speedline corse are light weight iirc.

That's not a specific wheel, that's a range... My Turini's are Speedline Corse, yet they're not that light.

[Toad]

I just want them to be really heavy so that i just go out and buy some superlegs ;)

They don't make them anymore, so good luck... :detective:

[Mystic]

Ultralegs*

[Toad]

Ultralegs*

I would have gone for those, purely bcause of the weight, but I just don't like the look of them.

[TU-Tuning]

As said its gonna be magnesiums, but arent these lighter than the 1.2s, possibly the legs?

http://www.larkspeed.com/index.pl?p=37PROR2BL15&a=i

[Toad]

As said its gonna be magnesiums, but arent these lighter than the 1.2s, possibly the legs?

http://www.larkspeed.com/index.pl?p=37PROR2BL15&a=i

In 15", those are 6.4kg. The 1.2s are 6.1kg, and the superleggera's are 4.7/9kg.

[Goodwrench]

Why is offset a factor of the wheel weights?

[Barry123]

Why is offset a factor of the wheel weights?

basically the wheel weight, contributes to what is called the 'Unsprung Mass' and this is used to describe all parts of the vehicle that are not supported by the suspension... so wheels, brakes (unless it's a diff brake on some RR vehicles) and hubs are considered part of the unsprung mass, as are driveshafts, brake lines, struts but only partially :) (as they connect to the sprung mass/chassis)

Reducing the wheel weight reduces the inertia forces that occur during (de)acceleration manoeuvres which the engine has to overcome to make the wheels move, so reducing the weight means that less energy is needed to overcome the inertia forces and so can spin up quicker... so lowering the wheel weight is one of the biggest ways of reducing the unsprung mass and reducing the inertia within the system. As spacers are sometime required they have to be considered as part of the wheel weight as they're contribute to the unsprung mass of the vehicle.

ads :)

[Goodwrench]

Remember though wheel weight will also depend on the offset. A larger offset
of something like ET40 will weigh less than a wheel of offset of ET10.

Think about it. The hub of the wheel will be 30mm deeper on the ET10 when
compared to an ET40.

I imagine most manufacturers weigh the wheels they sell at the lowest offset
possible. I put my 15x7 ET37 superlegs on a weighing scale ages ago and it
recorded and just over 4.9kgs. But then I have the H&R+ Trak spacers. They
are aluminium and are 25mm wide.. So overall ET of 12.
Compare that to a wheel with an ET of 12 in the first place and even though
Im running extra weigh due to spacers the ET12 will weigh more than the ET37.

Crap Im just babbling on but it makes sense..

Ok ads, but I still don't understand the above...

[Barry123]

sorry man :) what i mean is... if the offset is wrong, then you'll need spacers, and spacers can weigh a fair chunk on their own... which contributes to weight/inertia

Hope that makes sense :)

ads

[Goodwrench]

Its cool and thank you for explaining, I understand... just don't understand why, without factoring in spacers, a wheel in ET40 would weigh less than in ET10 guise

[Barry123]

Its cool and thank you for explaining, I understand... just don't understand why, without factoring in spacers, a wheel in ET40 would weigh less than in ET10 guise

ah sorry dude... I didn't look at the original quote (thought it was just mine, not rushys lol)

It's because of the extra bit of material in the alloy required to make an ET10 offset.

ET 10 = ET 40 + 30mm spacer

[moxy89]

comp mo alloys are very light

[rushy_23]

Ive been searching all day at work today for wheels in very low offsets and 108x4 fitment
and its just not happening.

And most of the ones around ET15 are horrible!

Plus a lot of the direct saxo/106 fitment wheels are 15x6.5 not 15x7 like my Superlegs..


Another thing I find really strange is a lot of the Speedline Magnesium wheels dont have
details of their weight. Again was searching quite a bit today and found nothing.

Going to continue my search tomorrow, really want to find a setup that doesnt seen
spacers.

So far I think its all about mega wide custom steelies:

http://i5.photobucket.com/albums/y175/D3stro/IMG_3688.jpg

[JamesR]

lol at the exhaust on that american car above. have you tired weller wheels?

http://www.wellerwheels.co.uk/

used to use them on rally, oval racing and old formula one, there very light, they look a bit like steelies. try ebay.

[rushy_23]

Was looking at them yesterday but they only do up to 13" diameter?

[Goodwrench]

Think they still do 14s and 15s, or at least they did!

[Yates]

cant wait to get my c5 steelies :D

[Barry123]

cant wait to get my c5 steelies :D

shit... cheers for the reminder ;)

[rushy_23]

Ive found a site that does 15x8 ET12 (think thats what it was) steelies. And they actually
look cool too!

Now wheres the link... :p

[JoshB]

Did anyone ever weigh their VTS wheels?

Also as in my other post, Wolfrace do Pro-Lite's that come in at 6kg's, in 4x108 ET15 and are less than £400 on ebay.

[Goodwrench]

VTS wheels weigh 67,000 ugandan dollar

[Predator_R32]

i did weight my team dynamics with and without tyres, ill have a look on SSC i did post them on there

Team Dynamics Pro Race 1.2s in 15s

Without Tyres = 7.2kg
With Tyres 195/45/15 = 14.9kg

[saxotourdecorse]

i got magnesium compomotives i think they are the lighest alloys u can buy, dno though???

[Ryan]

comp mos are quite heavy.

The TD pro race series are fucking light

[Barry123]

I've got a set of VTS rims round the back of Sayer HQ, I'll weigh them on monday for people.

regards,

[Toad]

The TDs I bought from Danny weigh in at 6.4kg. Not that light, but lighter than my current road Speedline Corse wheels.

[JoshB]

I've got a set of VTS rims round the back of Sayer HQ, I'll weigh them on monday for people.

regards,

Would be grand if you could please.

[Barry123]

Would be grand if you could please.

No probs man, I'll get both inflated and deflated weights :y:

[rushy_23]

I agree Team Dynamics arent amazingly light!

[iw_laurence]

is there a difference in weight in the c4 and c5 steely?

and which one is the c5 steely?

http://img234.imageshack.us/img234/7445/cimg0036smalldh8.jpg
http://img155.imageshack.us/img155/2163/cimg0039smallow5.jpg

cheers

[Ryan]

I agree Team Dynamics arent amazingly light!

2s are heavyer iirc than 1.2s

my 1.2s were nice and light to lug about

[rushy_23]

2s are heavyer iirc than 1.2s

my 1.2s were nice and light to lug about

You havent met Mr Superleg! :D

[Goodwrench]

is there a difference in weight in the c4 and c5 steely?

and which one is the c5 steely?

http://img234.imageshack.us/img234/7445/cimg0036smalldh8.jpg
http://img155.imageshack.us/img155/2163/cimg0039smallow5.jpg

cheers

1. C5 weighs less.
2. None of the above.

[Andy_OZ]

OZ wheels are probably the best, and strongest along with team dynamics.

anything from their range should do just fine.

[Andy_OZ]

looking to save abit of weight then replace the f*cking bonnet it weighs a ton!!!!

cheaper than alloys too Kam racing for about £300 ish

[Toad]

You havent met Mr Superleg! :D

Heh. Damn skippy! They're the lightest alloy rims I've ever seen.

[ellwise69]

how wide are the c5 steelies? Would 195/45/15's fit? Or is that just crazy talk? :P

[andywiddss1]

they fit and hears the part no

c5 wheels 5401.q8
c5 bolts 5406.08

[AIRacing]

looking to save abit of weight then replace the f*cking bonnet it weighs a ton!!!!

cheaper than alloys too Kam racing for about £300 ish

so how much does the bonnet weigh then??
Also, anyoe know the weight of the 205gti speedlines??

Thanks guys

[Ryan]

I can get weight of 205gti speedlines and tyres over xmas for you.

[andywiddss1]

so how much does the bonnet weigh then??
Also, anyoe know the weight of the 205gti speedlines??

Thanks guys


bonnet over 20kg fibreglass or carbon about 4kg i changed mine for a carbon one so light :P

[iw_laurence]

looking to save abit of weight then replace the f*cking bonnet it weighs a ton!!!!

cheaper than alloys too Kam racing for about £300 ish

but you have to think (correct me if im wrong :p). if you think about some simple physics... centrifugal force, all that weight spinning round and round means the theoretical weight of each wheel is increased so every 0.1 of a kg does save a good amount lol. wheels then bonnet i think ;)

[AIRacing]

bonnet over 20kg fibreglass or carbon about 4kg i changed mine for a carbon one so light :P

wow, didn't think it would be quite that much may look at it then, seen some fibre glass ones on ebay for £120. That must be the cheapest way of upping the power to weight ratio, that ot throw away the spare.;)

[rushy_23]

A lightened bonnet has nothing to do with unsprung weight in a car!

But wouldnt mind a sexy CF one..

[Barry123]

A lightened bonnet has nothing to do with unsprung weight in a car!

But wouldnt mind a sexy CF one..

get some sexy custom made CFRP rims ;)

[Toad]

bonnet over 20kg fibreglass or carbon about 4kg i changed mine for a carbon one so light :P

My 106 bonnet weighed in around 15kg. I have a rather cheap effort fibreglass bonnet which weighs 5kg. Most Carbon fibre bonnets will weigh a bit more, 6-7kg.

[Toad]

A lightened bonnet has nothing to do with unsprung weight in a car!

But wouldnt mind a sexy CF one..

Rush, your car would definitely suit a carbon fibre bonnet. Mervin would make you a proper nice one I bet.

[Jorge-]

Sorry for bumping an old thread. But been searching around for the weight of wheels. Did anyone ever note the weight of a standard VTS wheel?

[Barry123]

will do once they're back from powder coating dude.

ads

[de4n0]

My alloys weigh around 5kg each,how ever i dont know what there called

[alextoffie]

anyone know the weight of 15" super t's??