NSR5306 CLASSIC EXTREME 21 x 12 only for 17" or Fly plastic wheels

CLASSIC EXTREME 21 x 12 only for 17" or Fly plastic wheels

Can also fit Fly classic wheels.

NSR rubber tires come in 3 compounds:

SUPERGRIP  >  ULTRAGRIP  >  EXTREME

hardest, least grip  >  softest, most grip