The Bridgestone Tube Standard 80/100-21 is a dependable motorcycle inner tube designed for compatible front or rear applications using an 80/100-21 tire size. Manufactured by Bridgestone, this tube provides a practical replacement solution for riders, technicians, and powersports professionals who need reliable fitment and consistent performance. The TR4 valve stem supports straightforward inflation and compatibility with standard motorcycle tire service equipment.
This Bridgestone standard inner tube is manufactured from durable rubber formulated to maintain air retention during regular riding conditions. Its flexible construction helps it conform to the inside of the tire while supporting dependable operation across everyday street riding, recreational use, and selected off-road applications. Always verify the tire size, wheel compatibility, valve stem requirements, and vehicle manufacturer recommendations before installation.
The tube is identified by Bridgestone manufacturer and vendor part number 548103, making it easier to match with service records and replacement requirements. Proper installation is essential: inspect the tire and rim for debris, sharp edges, or damage; confirm that the tube is the correct size; and avoid pinching the tube during mounting. Replace the tube whenever the tire is replaced or when wear, punctures, or valve damage are present. This 80/100-21 Bridgestone Tube Standard with TR4 valve stem is a practical choice for maintaining dependable tire service and helping restore proper riding readiness.
Features:
- 80/100-21 tire size for compatible motorcycle applications
- Bridgestone Tube Standard model for dependable replacement service
- TR4 valve stem supports standard inflation and service equipment
- Durable rubber construction helps maintain consistent air retention
- Manufacturer and vendor part number: 548103