The Trigger rolls fast on asphalt hard-pack & gravel paths making it ideal for those looking to get the most out of a smooth fast cyclocross course. This tire rolls great on & off-road. Reflective stripe added to increase your visibility. Casing: 60 TPI Bead: wire Compound: 70a Flat Protection: Black Belt 700 x 47 psi 50-75 approximate weight 600g