Schwalbe
tubes are highly elastic and good quality allowing them to cover a variety of
tire sizes. The SV 7B tube is 20″ and fits tire sizes: 20″ x
0.90″ (23-451) and 20″ x 1.00″ (25-451). This tube has a presta
valve and is extremely air-tight and reliable.
- Valve
type: Presta valve - Metric Size: 23/25-451
- Approx weight: 85g per tube
Applicable Tyre
Sizes:
23-451
– 20″ x 0.90
25-451
– 20″ x 1.00