yep. S02 went to S03, then RE050A PolePosition, then S04 PolePosition. these tires share similar traits.
RE050A non-pole position is not the replacement for S03 and is different from the RE050A PolePositions. the compound seems different. PolePositions grip far better than the non-PolePositions from my experience.
i have experience with S02 PP, S03 PP, RE050A, RE050A PP, S04 PP. the RE050A did not grip as well as the others. S04 PP's grip like hell vs RE050A's. S04 PP's grip far better than RE050A PP especially in the rain.
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