Kenda Crusher Gravel 700c Tire. Features: Smooth center rib transitions to biting edges and knobs Dual layer compound features a firm base layer for improved rolling resistance and a softer top layer for grip and handling Beads will mount and seat by hand and the casing will seal with all major sealant brands after first ride Specs: Model:Crusher Gravel Size:700c Width:50mm Casing:- TPI:120 Compound:Dual Bead:Folding Type:Tubeless Color:Tanwall Weight:623g