FIR TUBE INNER 12 x 300 TR4

TUBE INNER STD 12" x 300 TR4 valve type. Made of airtight butyl rubber. Highly flexible rubber conforms to contours of tire/rim assembly. Features an overlap splice which is stronger than the butt splice used in most other tubes. Splice is always placed opposite the valve, which helps to provide a more balanced tube. This valve stem BZP metal finish. Part No. 68-012.300 ()