THE RACE GRAVEL TIRE. The Schwalbe G-One R is made for use on light terrain, gravel roads and asphalt. Thanks to the Super Race carcass, it combines souplesse, speed and control at the highest level.Features:- New Boomerang profile for best traction uphill and ideal rolling behavior.- Super Race carcass (Souplesse construction) for a particularly smooth ride with low rolling resistance and high impact protection.- Angled side lugs create in conjunction with the Super Race carcass best cornering grip.Specifications:- ETRTO: 45-622- Inch: 28x1.70- Wheel Size: 28 inch- Seal: Tubeless- Bead: Folding- Version: PRO- Compound: Addix Race- E-Bike: E-25- Epi: 67- Load: 100 kg- Max Bar: 4 bar- Max Psi: 55 psi- Min Bar: 0 bar