Cannonball Gen 2 is a go-to gravel race tire designed for a wide range of general gravel conditions. Its proven tread design incorporates a directional, tightly spaced center tread that sheds dirt and debris to reduce rolling resistance, while side knobs provide confident cornering traction. Built for versatile, all-around gravel riders and racers, Cannonball Gen 2 features an upgraded, high-performance 120 TPI casing that delivers a smoother, more compliant ride, at a lower weight.Recommended rim internal width: 21 29mm (optimal: 25mm)Always check with your rim manufacturer to verify rim & tire compatibility before assembly or use120 TPI casing delivers a smoother, more-compliant ride, greater grip, and Teravail s trusted tubeless reliability all at a lower weightTubeless-ready to prevent flats and boost traction and comfort at low pressuresDurable casing defends against punctures and abrasionLight & Supple casing delivers a compliant ride and reduced weightFast compound reduces rolling resistance for a quick-rolling tireItem SpecificationsColorBlackDefined ColorBlackFlat ProtectionTread and SidewallISO Diameter622 / Road / 29"ISO Width (mm)40Labeled Size700 x 40PSI50Tire BeadFoldingTire Diameter700cTire Intended UseGravelTire TypeTubeless Ready ClincherTPI120Weight525 Teravail Cannonball Gen 2 Tire Tires UPC: 708752534926