WTB Vulpine 700c Tire. Features: Gravel-focused revamp of a proven semi-slick mountain tread Large ramped center knobs form a nearly uninterrupted centerline that decreases rolling resistance and improves lifespan Short, tightly spaced outer knobs provide a rounded profile and predictable cornering traction on hardpack Specs: Model:Vulpine Size:700c Width:40mm Casing:TCS Light SG TPI:120 Compound:Dual DNA Fast Rolling Bead:Folding Type:Tubeless Color:Black Weight:455g