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They are nice. I bet they're dear.

 

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Er ...... yep. That's why I'm holding off.
£1850 for the set.

That's too much. They're only 17" and I bet they're not lite.

I'd go for some cheaper imitations.

 

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the idea of replicas (i.e R90's) is good in theory, however, the offset of the wheel is rarely the same (~10mm difference), it's been reported that this difference can upset handling and put extra load on wheel bearings and suspension etc.

I'm sure you can find some with a similar offset.