IRC INNER TUBE 275/300-16 TR4
These tubes are often replacement for 20x 4 Bicycle tubes as they are thicker to withstand flats.
IRC INNER TUBE 275/300-16 TR4
- High quality tubes meet or exceed OEM quality standards
- Heavy Duty tubes are 3mm thick and puncture resistant
- Made of a blend of natural and butyl rubber
- Heavy Duty:2.55mm