![Inner Tube — 21\" rim, 100/90-21, 90/90-21, 3.25-21, 3.50-21, center metal valve](https://www.jackyethunder.com/8417-large_default/drag-specialties-tube-drag-325-350x21cmv.webp "Inner Tube — 21\\" rim, 100/90-21, 90/90-21, 3.25-21, 3.50-21, center metal valve")
![Inner Tube — 21\" rim, 100/90-21, 90/90-21, 3.25-21, 3.50-21, center metal valve](https://www.jackyethunder.com/8417-home_default/drag-specialties-tube-drag-325-350x21cmv.webp "Inner Tube — 21\\" rim, 100/90-21, 90/90-21, 3.25-21, 3.50-21, center metal valve")
Bank transferHigh-quality replacement inner tube designed for motorcycles, offering dependable sealing and simple installation.
Available in multiple valve types and custom sizes to accommodate extra-wide wheel applications.
Built for riders who need reliable performance and straightforward fitment across a range of tire configurations.
| Mounting Position | Front/Rear |
|---|
| Manufacturer part number | 99-6136CMV-BX73 |
|---|
![Inner Tube — 21\" rim, 100/90-21, 90/90-21, 3.25-21, 3.50-21, center metal valve](https://www.jackyethunder.com/8417-large_default/drag-specialties-tube-drag-325-350x21cmv.jpg "Inner Tube — 21\\" rim, 100/90-21, 90/90-21, 3.25-21, 3.50-21, center metal valve")
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