The Maxxis DTH Silkworm BMX Tyres are foldable and super-lightweight. Drop-The-Hammer. The first few pedal strokes win the holeshot. The holeshot wins the race. The dual-compound tread corners incomparably on hardpack tracks and rolls fast on the straights. The gold medal is just a sprint away.Maxxis DTH Silkworm BMX Tyres FeaturesLightweight race tyreConditions: Dirt, Street, Park, FlatTPI: 120Bead: WirePly Construction: SingleCompound: DualMax PSI: 65-110 depending on sizeTech: SilkwormSilkwormSilkworm Technology is an exclusive material incorporated into the casing of select models, increasing puncture and tear resistance. Silkworm is featured under the tread as a breaker (denoted as Silkworm).