The Bridgestone 12-inch TR-4 Standard Inner Tube is designed for dependable performance in street and off-road tire applications. Built for riders who need a reliable replacement tube, this inner tube provides a practical fit for compatible 12-inch tires and supports everyday riding, recreational use, and select off-road conditions. The TR-4 valve configuration features a center-mounted metal valve for secure inflation and convenient maintenance.
This Bridgestone inner tube is manufactured to deliver consistent fit and durable service when installed in a properly matched tire and wheel assembly. Its standard construction makes it a suitable replacement for worn, punctured, or aging tubes, helping restore tire function without replacing the complete tire. Always confirm the tire size, valve placement, rim compatibility, and application requirements before installation.
The product is identified by Bridgestone part number 556437. Manufacturer part number: 556437. Vendor part number: 556437. This genuine Bridgestone replacement tube is intended for compatible street and off-road tire applications and should be installed by following the tire manufacturer’s recommended procedures. Inspect the tire, rim, rim strip, and valve opening before fitting the tube, and use appropriate inflation pressure after installation. Proper installation and routine pressure checks help support stable handling, even wear, and dependable service.
Features:
- Bridgestone 12-inch standard inner tube for compatible street and off-road tires
- TR-4 valve stem configuration with a center-mounted metal valve
- Designed as a replacement tube for worn, punctured, or aging inner tubes
- Manufacturer part number 556437
- Vendor part number 556437