There is obviously no kerb sign, hence the cracks are surely due to the collapse of material which has not been designed properly for daily stresses.
I am not saying all of them are like this, but these are faulty. My gallery: http://www.rrsport.co.uk/gallery/thumbnails.php?album=994

Hi guys, thanks for your support.

Here is an update:

I went away on business last week but before I went I emailed the manufacturer a link to this email, again giving them the opportunity to come to some kind of arrangement.
To date I still have note received a response so I can only assume that this is not a one off situation with RINSPEED/BORBET alloy wheels and that all of their products could potentially be dangerous!

I have put my lawyer on the case

I'll keep you posted.

 2008 RRS Supercharged
Lucerne Green, HST Kit, 23" Rinspeed Alloys, Side Steps, Mud Flaps.

i have also seen sets of genuine RINSPEED wheels on ebay because of this

1st set was going cheap as 2 of the wheels have slight cracks (same as your pics)

and the other set i saw were going cheap again and 1 of them had been cracked but seller on ebay had repaired the wheel but he was putting standard wheels back on his RRS obviously didnt want to put them back on his car.

Ambrez

Suicidal to be buying cracked, then repaired alloys on a 2.7t car, cheap or otherwise  

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I'm going to revive this post from the dead. Do you have any updates on your situation with Rinspeed/Borbet? I'm very curious on how this played out. JC

I have seen this on the same alloys before,

There was a set at hawke when I visited last year that had the same problem,

I have seen a couple of sets for sale too.

I would think about claiming - very easy to get the case heard by using mymoneyclaim online,

cost is dependant on the claim but id say for wheels it would cost £60 for the court fees

12 months warrenty should be stuck by,

EU consumer rules are dead easy to enforce through small claims courts too so you don't even have to claim in the UK, you can do it locally through a court in Portugal. Friend of mine had to demand money back from Electrolux for a deepfreeze bought for his yacht in the Canary islands that was installed by their fitters there and then never worked properly - he sued them through the local court in Oban, Scotland 3 years later and Electrolux thought they were wasting their time sending somebody to the hearing .................... cost them dear as they were then in contempt of court as well as failing to pay up! 2020 Pangea Green 1st Edition D240 New Defender 110 is here and loving it
2018 Melting Silver Mini Countryman PHEV - soon to be replaced
2015MY Corris Grey SDv6 HSE Dynamic, the best car I have ever owned, totally reliable only a cou0le of rattles in 3 years, now no longer in my care
Also in my garage is a 1996 TDi300 Defender 90 County HT made into a fake CSW

That looks awful. I'd say the material is just wrong; alloy wheels should buckle not generate fatigue cracking and certainly not crack on kerb impacts even. This is dangerous! - I hope they are stopped from selling these pronto.

I guess there is a lesson here though - these wheels will not have been homologated on RRS, this can be said for all aftermarket wheels. if we are more concerned about safety than style then we should stay OEM, if we want bling but unknown safeness then buy some from any other company - they will have no idea if they will survive on a RRS. Trust me, i'm an Engineer!