Vee Tire Speedster Tire 20x4.0 Fold Tubeless MPC B-Proof E-Bike 50The Vee Tire Speedster Tire is designed for speed and traction on hard pack or paved terrain. The large diamond shaped side knobs provide grip in corners while the small thread knobs provide the ultimate speed and traction in all conditions. This version is the 20x4.0 Foldable Tubeless Ready with the Multi Purpose Compound, or MPC. This compound is made for all conditions and to have excellent grip and natural resistance to wear. The B-Proof Aramid is an extra fabric lining that beefs up the puncture protection on the casing without adding too much extra weight. This tire is has E-Bike 50 certification on E-Bikes. This tire has 120 TPI and weighs only 1315 grams. Vee recommends 8-20 PSI for best use. Available in Black.848712078265