NSR5241EVO CLASSIC REAR 21 X 11 SUPERGRIP NEW FOR 16" DIA WHEELS (PORSCHE 917)

CLASSIC REAR 21 X 11 SUPERGRIP NEW FOR 16" DIA WHEELS (PORSCHE 917)

Standard equipment on Porsche 917, Porsche 908 models.

NSR rubber tires come in 3 compounds:

SUPERGRIP  >  ULTRAGRIP  >  EXTREME

hardest, least grip  >  softest, most grip