Continental hometrainer ii road tyre the roller tyre thanks to its special cold runningcompound the hometrainer doesnt experience the heatbuildup of a road tyre nor does it suffer the tread separationthat the road tyre is prone to under the special loads thatoccur when cycling and braking on the rollers revolvingdrums specifications etrtosizeweightbeadtechnologypsi rec inflationpsi max inflationplytpi23 622 700x23 250g folding cold running compound 110 120 3180 buy continental whe