Schwalbe 26"x 1.50-2.40" inner tube, Presta valve 40 mm
Schwalbe 26"x 1.50-2.40" inner tube
The bicycle inner tube is made mainly of butyl rubber. Butyl is a very elastic and airtight type of synthetic rubber. As with tires, additional admixtures are needed to create the rubber compound. The quality of the tube can vary significantly depending on the composition of the rubber. For example, Schwalbe tubes have extremely high air stability and flexibility. This high elasticity allows it to cover a wide range of different tire sizes.| Wheel diameter | 26" |
| Valve | Presta valve |
| Tube material | Butyl (synthetic rubber) |
| Valve length | 40 mm |
| product ID | 644 |
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