The nimbus armadillo reflective 700 c tyre from specialized designed for the rider looking to get around town the nimbus armadillo clear choice for both roads and bike paths with bead to bead puncture protection the nimbus has a 70 a compound for long life paired with 60 tpi casing with a reflective strip to increase visibility available in blackreflective with 28 mm 35 mm and 38 mm width options