I ordered myself some s21 r/f. i really got to say that the stock dunlops were okay when having very high outside temperatures but slipped in some situation what made me not trusting this piece of rubber at all...specially with slightly wet roads the d214 seemed as not having any grip at all when cornering. I guess iam lucky that i made it aroung 5.6k Km with those. Really looking forward for the upgrade! I will post a short resumè on them after i've put some km on them.
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