Freego Electric Bike Fat Outer Tire 20"x4"， Fit for F1,F1 PRO,F2,F2 PRO,F3 PRO, F3 PRO MAX, FB-20X,DK200 Description： Model: Freego Fat Outer Tire Color: Black Size:20*4.0 Fabric density: 60TPI Inflatable pressure range: 5-30PSI Weight: ± 1300g The wide tire volume brings better control and less dragging ability, providing a balance of grip and rolling resistance for riding. The heavy-duty rubber tires offer excellent puncture resistance for riding on beaches, snow, rough terrain and streets.