Description
Air retention is critical when you’re running consistent lap times or depend on your bike for daily reliability. The PARTS UNLIMITED Inner Tube uses 100% butyl polymer—not a blended compound—which means significantly less natural air leakage compared to standard tubes. This delivers stable tire pressure over extended periods, reducing the need for constant top-offs and ensuring your handling characteristics remain predictable when it matters most.
Built to straightforward specifications with clear valve stem and size markings on every box, this tube installs as a direct replacement and performs without compromise. Whether you’re prepping for track day or maintaining consistent pressure on the street, real butyl construction keeps your tires pressure-stable so you can focus on riding.
- 16″ diameter
- TR-4 valve stem
- 100% butyl polymer
- Minimal air leakage
- Extended pressure retention
- Individually boxed
- MPN: 0350-0333






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