BOTTLE CAGE TOPEAK TRI-BACKUP TUBE BAG f/SEAT MOUNT
- Tri-BackUp TubeBag provides protection from harmful ultra violet rays that can quickly degrade an inner tube. So the next time you have to fix a flat, your tube is ready to go.
- Designed to integrate with Tri-BackUp Pro V and Tri-BackUp Pro I for maximum aerodynamic efficiency.
- Tri-Backup Tire Bag