Tube modification to prevent punctures from thorns. Retains tire flexibility and ride quality. Great deal on Tire sealant: http://www.amazon.com/gp/product/B003...No more flats on your bicycle - YouTube | |
| 496 Likes | 496 Dislikes |
| 15,796 views views | 136,552 followers |
| How-to & Style | Upload TimePublished on 10 Jul 2015 |
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