ROLL-LINE Cushions Rubber 4 Pack

COLOR          HARDNESS

Green            Flexible

Natural (Brown)     Medium

Yellow            Hard

The UPPER Suspension is the one nearest to the Skate Plate and

   is the LARGER tube shaped Suspension

The LOWER Suspension is the one nearest to the Skating Surface and

   is the SMALLER cone shaped Suspension

Comparisons of Rubber to Urethane Elastomer Suspensions:

Rubber – Shorter Life, Temperatures do effect the response of Rubber, Less Expensive

Urethane – Longer Life, Temperatures have much less effect on Urethane, More Expensive