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WARNING: Cancer and Reproductive Harm —
www.P65Warnings.ca.gov
















This is Bridgestone's standard motorcycle inner tube, sized to original-equipment specifications and available across mini, motocross, and street sizes. It sits below Bridgestone's 3mm MXH and 4mm Ultra Heavy Duty grades in wall thickness, and is sold with either a straight TR-4 valve stem or an angled PV-78 stem depending on size.
| Part Number | 6622 |
|---|---|
| Valve Type | TR-4 or PV-78 (varies by size) |
| Application | General replacement, OEM sizing including mini sizes |
Verified from Garamoto’s catalog & fitment data.