The MICHELIN 89343 Ultra Heavy-Duty Inner Tube is designed for demanding off-road applications where dependable puncture and pinch-flat protection is essential. This 18-inch tube features a TR-4 center metal valve and a reinforced construction suited to motorcycles, ATVs, and other compatible off-road vehicles. Its ultra heavy-duty design helps provide reliable performance in challenging riding conditions.
Built with a 4 mm wall thickness, the MICHELIN 89343 inner tube offers enhanced resistance against punctures and pinch flats compared with standard tubes. The reinforced rubber construction is well suited for rugged terrain, including rocky trails, uneven surfaces, and other environments where tire and tube durability are important. Always confirm tire size, valve configuration, and vehicle specifications before installation.
Manufactured by MICHELIN and identified by manufacturer part number 89343 and vendor part number 89343, this inner tube is a practical replacement for compatible 18-inch off-road tire applications. The TR-4 center metal valve provides a secure inflation point and is designed for use with the appropriate wheel and tire assembly. Proper installation by a qualified technician is recommended to help ensure fitment, inflation, and safe operation.
Features:
- Size: 18-inch inner tube for compatible off-road tire applications
- Model: Ultra Heavy-Duty TR-4 inner tube
- Brand: MICHELIN
- Manufacturer Part Number: 89343
- Vendor Part Number: 89343
- Valve Type: TR-4 center metal valve
- Construction: Reinforced tube designed for off-road use
- Wall Thickness: 4 mm for enhanced puncture and pinch-flat protection
- Fitment: Compatible with selected 18-inch motorcycle, ATV, and other off-road tire assemblies; verify application before installation