IRC GS11 Tire - Rear - 4.00-18 , Position: Rear, Tire Size: 4.00-18, Rim Size: 18, Tire Ply: 4, Speed Rating: H, Tire Type: Street, Tire Application: Cruiser, Load Rating: 64, Tire Construction: Bias XF87-5383 Provides good traction, braking and cornering as well as excellent mileage for just about any small to midsize motorcycle Tube-type only Black sidewalls Standard inch and low-profile inch series sizes The use of the tire and other vehicle data and information accessible through this webpage is limited to persons located in the United States of America and Canada.ALTHOUGH THE DATA IS BELIEVED TO BE ACCURATE, NO WARRANTY OR GUARANTEE IS MADE REGARDING THE QUALITY OR ACCURACY OF THE DATA.All data should be verified by a tire professional, the vehicle placard (typically located on an inside door panel or on frame), and/or the vehicle owners manual.