IRC IRC-80 T20078 Standard Duty Tube Inner Tube - Standard - 21" - TR-4 - Center Metal Valve Brand_Rekluse Speaker drivers feature lightweight waterproof

Speaker drivers feature lightweight waterproof woven-fiber cones with super-rigid metal basket

wide and comfortable with carefully designed contours and a frame-hugging profile

Cold-formed 9/16" 12-point head with integral washer

32 thread per-inch adjustment

IRC IRC-80 T20078 Standard Duty Tube Inner Tube - Standard - 21" - TR-4 - Center Metal Valve Brand_Rekluse Speaker drivers feature lightweight waterproofFeatures Highest quality motorcycle tubes meet or exceed OEM quality and performance Butyl construction Specs Riding Style Off Road Tube Fits Tire Size 2. 75 21 Tube Fits Tire Size 3. 00 21 Rim Diameter 21" Duty Standard Inner Tube Valve Stem Type Center Metal Valve (Threaded Nuts) Tube Fits Tire Size 90 90 21 Type Motorcycle Material Butyl Riding Style Adventure Touring Dual Sport Riding Style Street Tube Fits Tire Size 100 80 21 Units Each Inner