I'm not sure anyone could be sure if pink meds are the same as anything from Contact. From my experience I'd say they are different. On my circuit Mardave I run the pink meds on the rear and Jap 52 on the front, including sidewall superglue on the front and I tend to run them as small as practical on diameter. Everything JimboJames said in his original response is on the money. I always found the Contact tyres to cause more grip roll and be more prone to chunking than the Jap/pink med tyres.
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